#include<stdio.h>
int main()
{
    int n, d;
    int quotient, remainder;
    if (scanf("%d", &n) != || scanf("%d", &d) != 1){
        printf("Invalid input");
        return 0;
    }
    if (d == 0 || d < 1){
        printf("Invalid input");
        return 0;
    }
    printf("%d,%d", quotient, remainder);
    return 0;
}