diff --git a/proglabs/lab5/.1.c.swo b/proglabs/lab5/.1.c.swo
deleted file mode 100644
index 9a5630f..0000000
Binary files a/proglabs/lab5/.1.c.swo and /dev/null differ
diff --git a/proglabs/lab5/.1.c.swp b/proglabs/lab5/.1.c.swp
deleted file mode 100644
index a72b345..0000000
Binary files a/proglabs/lab5/.1.c.swp and /dev/null differ
diff --git a/proglabs/lab5/1.c~ b/proglabs/lab5/1.c~
deleted file mode 100644
index dbd9a52..0000000
--- a/proglabs/lab5/1.c~
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <stdio.h>
-
-int main(void) {
-    char l[26];
-
-    for (int i = 0; i < 26; ++i) {
-        l[i] = 'a' + i;
-    }
-    printf("t-t: ");
-    for (int i = 0; i < 26; ++i) {
-        printf("%c ", l[i]);
-    }
-    printf("\n");
-    return 0;
-}
-
diff --git a/proglabs/lab5/10 b/proglabs/lab5/10
deleted file mode 100755
index ec65441..0000000
Binary files a/proglabs/lab5/10 and /dev/null differ
diff --git a/proglabs/lab5/11 b/proglabs/lab5/11
deleted file mode 100755
index 4bbe809..0000000
Binary files a/proglabs/lab5/11 and /dev/null differ
diff --git a/proglabs/lab5/12 b/proglabs/lab5/12
deleted file mode 100755
index 8399aaa..0000000
Binary files a/proglabs/lab5/12 and /dev/null differ
diff --git a/proglabs/lab5/13 b/proglabs/lab5/13
deleted file mode 100755
index f400b17..0000000
Binary files a/proglabs/lab5/13 and /dev/null differ
diff --git a/proglabs/lab5/14 b/proglabs/lab5/14
deleted file mode 100755
index 849cef6..0000000
Binary files a/proglabs/lab5/14 and /dev/null differ
diff --git a/proglabs/lab5/15 b/proglabs/lab5/15
deleted file mode 100755
index 9bb50a7..0000000
Binary files a/proglabs/lab5/15 and /dev/null differ
diff --git a/proglabs/lab5/15.c~ b/proglabs/lab5/15.c~
deleted file mode 100644
index b8487ee..0000000
--- a/proglabs/lab5/15.c~
+++ /dev/null
@@ -1,25 +0,0 @@
-#include <stdio.h>
-#include <wchar.h>
-#include <locale.h>
-
-int main() {
-    setlocale(LC_ALL, "");
-    wchar_t s[256];
-    wchar_t c;
-    int n = 0, st = 0;
-
-    printf("write: ");
-    while(st == 0){
-	wscanf(L"%lc", &c);
-        st = (c == '\n');
-        s[n] = c;
-        n = n + (1 - st);
-    }
-
-    while(n > 0) {
-        n -= 1;
-        wprintf(L"%lc", s[n]);
-    }
-    printf("\n");
-    return 0;
-}
diff --git a/proglabs/lab5/16 b/proglabs/lab5/16
deleted file mode 100755
index c5ebfe5..0000000
Binary files a/proglabs/lab5/16 and /dev/null differ
diff --git a/proglabs/lab5/17 b/proglabs/lab5/17
deleted file mode 100755
index 2d26337..0000000
Binary files a/proglabs/lab5/17 and /dev/null differ
diff --git a/proglabs/lab5/18 b/proglabs/lab5/18
deleted file mode 100755
index 8a66260..0000000
Binary files a/proglabs/lab5/18 and /dev/null differ
diff --git a/proglabs/lab5/2 b/proglabs/lab5/2
deleted file mode 100755
index 4043f30..0000000
Binary files a/proglabs/lab5/2 and /dev/null differ
diff --git a/proglabs/lab5/3-1 b/proglabs/lab5/3-1
deleted file mode 100755
index 025a5cb..0000000
Binary files a/proglabs/lab5/3-1 and /dev/null differ
diff --git a/proglabs/lab5/3-2 b/proglabs/lab5/3-2
deleted file mode 100755
index 31b5ede..0000000
Binary files a/proglabs/lab5/3-2 and /dev/null differ
diff --git a/proglabs/lab5/4 b/proglabs/lab5/4
deleted file mode 100755
index b9b1fcd..0000000
Binary files a/proglabs/lab5/4 and /dev/null differ
diff --git a/proglabs/lab5/5 b/proglabs/lab5/5
deleted file mode 100755
index a909782..0000000
Binary files a/proglabs/lab5/5 and /dev/null differ
diff --git a/proglabs/lab5/5.c~ b/proglabs/lab5/5.c~
deleted file mode 100644
index afbd18c..0000000
--- a/proglabs/lab5/5.c~
+++ /dev/null
@@ -1,29 +0,0 @@
-#include <stdio.h>
-
-int main(){
-    int r = 1;
-    char l, x;
-    scanf("%c", &x);
-
-    for(char z = 'A'; z <= x; ++z)
-	    r++;
-    for(int i = 1; i <= r; ++i){
-        l = 'A';
-
-        for(int j = 0; j < r - i; ++j){
-            printf(" ");  
-        }
-
-        for(int j = 0; j < i; ++j){
-            printf("%c", l);
-            l++;  
-        }
-        l -= 2;
-        for(int j = 0; j < i - 1; ++j){
-            printf("%c", l);
-            l--; 
-        }
-        printf("\n");
-    }
-    return 0;
-}   
diff --git a/proglabs/lab5/6 b/proglabs/lab5/6
deleted file mode 100755
index 612fb11..0000000
Binary files a/proglabs/lab5/6 and /dev/null differ
diff --git a/proglabs/lab5/7 b/proglabs/lab5/7
deleted file mode 100755
index 7745196..0000000
Binary files a/proglabs/lab5/7 and /dev/null differ
diff --git a/proglabs/lab5/a.out b/proglabs/lab5/a.out
deleted file mode 100755
index 920475a..0000000
Binary files a/proglabs/lab5/a.out and /dev/null differ
diff --git a/proglabs/lab5/8 b/proglabs/lab6/3
similarity index 92%
rename from proglabs/lab5/8
rename to proglabs/lab6/3
index 8e5eb20..358458b 100755
Binary files a/proglabs/lab5/8 and b/proglabs/lab6/3 differ
diff --git a/proglabs/lab6/3.c b/proglabs/lab6/3.c
index 4bed706..f124af5 100644
--- a/proglabs/lab6/3.c
+++ b/proglabs/lab6/3.c
@@ -7,7 +7,7 @@ int main(){
     a = 1;
     while(scanf("%d", &a) && a != 0){
         if (a % 2 == 0){n1++; sum1 += a;}
-        else if (a % 2 == 1 || a % 2 == -1){n2++; sum2 += a;}
+	else ({n2++; sum2 += a;});
         printf("num: ");
     }
     printf("eve nums: %d \t eve summ: %d \t mean: %d\n",n1,sum1,(sum1/n1));
diff --git a/proglabs/lab6/3.c~ b/proglabs/lab6/3.c~
new file mode 100644
index 0000000..135e069
--- /dev/null
+++ b/proglabs/lab6/3.c~
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main(){
+    int a,n1,sum1,n2,sum2;
+    n1 = sum1 = n2 = sum2 = 0;
+    printf("num: ");
+    a = 1;
+    while(scanf("%d", &a) && a != 0){
+        if (a % 2 == 0){n1++; sum1 += a;}
+        if (a % 2 != 0){n2++; sum2 += a;}
+        printf("num: ");
+    }
+    printf("eve nums: %d \t eve summ: %d \t mean: %d\n",n1,sum1,(sum1/n1));
+    printf("odd nums: %d \t odd summ: %d \t mean: %d",n2,sum2,(sum2/n2));
+    return 0;
+}
diff --git a/proglabs/lab5/1 b/proglabs/lab6/6
similarity index 73%
rename from proglabs/lab5/1
rename to proglabs/lab6/6
index e5c9919..2761563 100755
Binary files a/proglabs/lab5/1 and b/proglabs/lab6/6 differ
diff --git a/proglabs/lab6/6.c b/proglabs/lab6/6.c
index ecd87a0..795a2b4 100644
--- a/proglabs/lab6/6.c
+++ b/proglabs/lab6/6.c
@@ -3,7 +3,7 @@
 int main() {
     int a,b,c;
     a = b = c = 0;
-    printf("count ef:\n");
+    printf("count ei:\n");
     while((a = getchar()) != '#'){
         if(a == 'i' && b == 'e'){c++;}
         b = a;
diff --git a/proglabs/lab6/6.c~ b/proglabs/lab6/6.c~
new file mode 100644
index 0000000..ecd87a0
--- /dev/null
+++ b/proglabs/lab6/6.c~
@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+    int a,b,c;
+    a = b = c = 0;
+    printf("count ef:\n");
+    while((a = getchar()) != '#'){
+        if(a == 'i' && b == 'e'){c++;}
+        b = a;
+    }
+    printf("count: %d",c);
+    return 0;
+}
diff --git a/proglabs/lab5/9 b/proglabs/lab6/9
similarity index 83%
rename from proglabs/lab5/9
rename to proglabs/lab6/9
index 4729d47..e2170d1 100755
Binary files a/proglabs/lab5/9 and b/proglabs/lab6/9 differ
diff --git a/proglabs/lab6/9.c b/proglabs/lab6/9.c
index 5afb800..41701dd 100644
--- a/proglabs/lab6/9.c
+++ b/proglabs/lab6/9.c
@@ -3,7 +3,7 @@ int pr(long long n);
 
 int main() {
     long long int x,i;
-    int y = 1;
+    printf("Num: ");
     if(!(scanf("%lld",&x)))return 1;
 
     for(i = x; i > 1; --i)
@@ -13,14 +13,13 @@ int main() {
     return 0;
 }
 
-int pr(long long x) {
-    if (x < 2) return 0;
-    if (x == 2 || x == 3) return 1;
-    if (x % 2 == 0 || x % 3 == 0) return 0;
+int pr(long long n) {
+    if (n < 2) return 0;
+    if (n == 2 || n == 3) return 1;
+    if (n % 2 == 0 || n % 3 == 0) return 0;
 
-    for (long long i = 5; i * i <= x; i += 6) {
-        if (x % i == 0 || x % (i + 2) == 0)
-            return 0;
-    }
+    for (long long i = 5; i * i <= n; i += 6) {
+        if (n % i == 0 || n % (i + 2) == 0)
+            return 0;}
     return 1;
 }
diff --git a/proglabs/lab6/9.c~ b/proglabs/lab6/9.c~
new file mode 100644
index 0000000..e7b73ae
--- /dev/null
+++ b/proglabs/lab6/9.c~
@@ -0,0 +1,25 @@
+#include <stdio.h>
+int pr(long long n);
+
+int main() {
+    long long int x,i;
+    
+    if(!(scanf("%lld",&x)))return 1;
+
+    for(i = x; i > 1; --i)
+        if(pr(i))
+            printf("%lld\t",i);
+
+    return 0;
+}
+
+int pr(long long n) {
+    if (n < 2) return 0;
+    if (n == 2 || n == 3) return 1;
+    if (n % 2 == 0 || n % 3 == 0) return 0;
+
+    for (long long i = 5; i * i <= n; i += 6) {
+        if (n % i == 0 || n % (i + 2) == 0)
+            return 0;}
+    return 1;
+}
diff --git a/proglabs/lab7-8/1.c b/proglabs/lab7-8/1.c
new file mode 100644
index 0000000..d15d0e3
--- /dev/null
+++ b/proglabs/lab7-8/1.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+double min(double x, double y);
+
+int main(){
+    double x,y;
+    printf("Enter: num1 num2\nEnter: ");
+    scanf("%lf %lf",&x,&y);
+    printf("lower: %lf\n",min(x,y));
+    return 0;
+}
+
+double min(double x, double y){
+    return ((x>y)?x:y);
+}
diff --git a/proglabs/lab7-8/2.c b/proglabs/lab7-8/2.c
new file mode 100644
index 0000000..87aaa36
--- /dev/null
+++ b/proglabs/lab7-8/2.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+void min(char ch, char i, char j);
+
+int main(){
+    char ch, i, j;
+    
+    printf("Enter: char i j\nEnter: ");
+    scanf(" %c %c %c",&ch,&i,&j);
+    min(ch,i,j);
+    return 0;
+}
+
+void min(char ch, char i, char j){
+int c = i;
+for(;i<=j;i++){printf("%c\t",i);}
+printf("\n");
+i = c;
+for(;i<=j;i++){printf("%c\t",ch);}
+printf("\n");
+}
diff --git a/proglabs/lab7-8/3.c b/proglabs/lab7-8/3.c
new file mode 100644
index 0000000..dd00e20
--- /dev/null
+++ b/proglabs/lab7-8/3.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+void table(char ch, int a, int b);
+
+int main(){
+    char ch;
+    int a,b;
+    printf("Enter: Char num1 num2\nEnter: ");
+    scanf(" %c %d %d",&ch,&a,&b);
+    table(ch,a,b);
+    return 0;
+}
+
+void table(char ch, int a, int b){
+    //for(int i = 0;i<=a;i++){printf("%d",i);}
+    printf("\n");
+    for(int i = 1;i<=b;i++){
+        //printf("%d",i);
+        for(int x = 1;x<=a;x++){printf("%c",ch);}
+        printf("\n");
+    }
+}
diff --git a/proglabs/lab7-8/4.c b/proglabs/lab7-8/4.c
new file mode 100644
index 0000000..1a34602
--- /dev/null
+++ b/proglabs/lab7-8/4.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+double garmony(double a,double b);
+    
+int main(){
+    double a, b;
+    printf("Enter: num1 num2\nEnter: ");
+    scanf(" %lf %lf",&a,&b);
+    printf("garmony = %lf",garmony(a,b));
+    return 0;
+}
+
+double garmony(double a, double b){
+    double x;
+    a *= -1;
+    b *= -1;
+    x = (((a+b)/2)*-1);
+    return x;
+}