Program to calculate sum of 5 subjects and find percentage

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Program:

/* Documentation Section
Program to calculate sum of 5 subjects and find percentage.
author: atnyla developer
*/

#include<stdio.h>
#include<conio.h>
void main()
{
	int s1,s2,s3,s4,s5,sum,total=500;
	float per; 
	printf("enter marks of 5 subjects: \n");
	scanf("%d%d%d%d%d",&s1,&s2,&s3,&s4,&s5);
	sum=s1+s2+s3+s4+s5;
	printf("sum=%d",sum);
	per=(sum*100)/total;
	printf("percentage=%f \n",per); 
}

Output:

Explanation:

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