AVERAGE OF FOUR SUBJECT

#include<stdio.h>
#include<conio.h>
void main()
{
int m1,m2,m3,m4;
float avg;
clrscr();
printf("Enter the marks of subject_1: ");
scanf("%d",&m1);
printf("Enter the marks of subject_2: ");
scanf("%d",&m2);
printf("Enter the marks of subject_3: ");
scanf("%d",&m3);
printf("Enter the marks of subject_4: ");
scanf("%d",&m4);
avg=(m1+m2+m3+m4)/4.0;           //type conversation from int to float
printf("\nAverage percentage marks are %f",avg);
getch();
}