#include <stdio.h>

int main() {
    int s, n;
    double s1, s2;

    scanf("%d", &n);
    while(n > 0) {
        s1 = s2 = 0.0;
        s = 1;
        for(int i = 1; i <= n; i++) {
            s1 += 1.0 / i;
            s2 += s * (1.0 / i);
            s *= -1;
        }
    printf("summ1 = %lf\nsumm2 = %lf\nNum: ",s1,s2);
    scanf("%d", &n);
    }
}