#include <stdio.h>
 
#define DIV(n,d,q,r) do { (r) = (n), (q) = 0; while ((r) >= (d)) ((r) -= (d), ++(q)); } while(0)
 
int main(void) {
    int numerator, denominator, quotient, remainder;
 
    printf("Input the number you would like to divide: ");
    scanf("%d", &numerator);
 
    printf("Input the number you would like to divide %d by: ", numerator);
    scanf("%d", &denominator);
 
    DIV(numerator, denominator, quotient, remainder);
 
    printf("%d divided by %d equals %d", numerator, denominator, quotient);
    if (remainder) {
        printf(" with a remainder of %d", remainder);
    }
    printf(".\n");
    return 0;
}