Sum And Average

#include<stdio.h>
int main()
{
int a , b , c,sum,avg ;
printf("Enter first number: ");
scanf("%d", &a);
printf("Enter 2nd number: ");
scanf("%d", &b);
printf("enter 3rd no : ");
scanf("%d" , &c);
sum = a + b+c;
printf("\n The sum is : %d",sum);
sum= a+b+c;
avg= sum/3;
printf("\n\n The average is :  %d",avg);


char ch;
printf("\n\n\n                   Enter To Continue");

}