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