Program to calculate sum of 5 subjects and print percentage

#include<stdio.h>

void main()

{

int eng, hin, maths, sci, comp, sum, total=500;

float per;

printf("Enter marks obtained in 5 subjects:");

scanf("%d%d%d%d%d", &eng, &hin, &maths, &sci, &comp);

sum= eng+hin+maths+sci+comp;

printf("Sum=%d",sum);

per=(sum*100)/total;

printf("Percentage= %f", per);

}