#include<stdio.h>
int main()
{
    printf("Invalid input")
    return0;
}
if(-1000<n>1000||1<d>1000)
{
    printf("Invalid input")
    return 0;
}
{ int s=n/d;
int t=n%d;
  printf("%d,",s);
  printf("%d",t);
}
return 0;
}