Get three integers from user and print their sum & average.

#include<stdio.h>
#include<stdlib.h>
void line()
{
int i,j;
printf("\n");
for(i=1;i<=42;i++)
printf("=");
}
void header()
{
printf("\n");
printf("Built and Designed by Arslan Malik\n\n www.CworldbyAS.blogspot.com");
printf("\n");
}
int main()
{
line();
header();
line();

int a,b,c,sum,average;
printf("\nEnter any three Numbers = \n");
scanf("%d%d%d",&a,&b,&c);
printf("%d+%d+%d=%d",a,b,c,a+b+c);
sum=a+b+c;
printf("\nAverage of the three numbers = (%d+%d+%d)/3 = %d ",a,b,c,(a+b+c)/3);
average=(a+b+c)/3;


return 0;
}