#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;
}