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