C Language program to calculate discount

Following program shows you how to calculate discount.
In this program we get bill amount and discount from user and shows after discount amount using following formula
Discount = bill - (bill * discount / 100)

#include <stdio.h>

int main(void) {
    int bill;
    int discount;

    printf("Enter bill amount:");
    scanf("%d", &bill);

    printf("Enter discount percentage:");
    scanf("%d", &discount);

    int afterDiscount = bill - (bill * discount / 100);

    printf("After discount your bill is: %d", afterDiscount);
}

Output:

Enter bill amount: 20000
Enter discount percentage: 10
After discount your bill is: 18000