Remainder without modulus operator

#include<stdio.h>
#include<math.h>
// Remainder without modulus operator
int main()
{
    int dividend,divisor,quotient ,p2,sum;
    printf("a,b: \n");
    scanf("%d%d",&dividend,&divisor);
    quotient=dividend/divisor;//dividend ÷ divisor = quotient
    p2=quotient*divisor;
    sum=dividend-p2;
    printf(" sum =%d",sum);


     return 0;
     }