program-
#include < stdio.h>
int main()
{
int a,b,c;
//Firt number input
printf("Enter first number\n");
scanf("%d",&a);
//second number input
printf("Enter second number\n");
scanf("%d",&b);
//Now find modulus
c=a%b;
//print it
printf("Modulus is %d",c);
}
Enter first number
1
Enter second number
2
Modulus is 1
Enter first number
24
Enter second number
7
Modulus is 3