Sum of Two Numbers in 'C'

Source Code For Sum of Two Numbers:

#include<stdio.h>
#include<conio.h>
void main()
{
        int a, b, sum;
        clrscr();
        printf("enter two numbers");
        scanf("%d%d",&a,&b);
        sum=a+b;
        printf("\n sum of two numbers is %d",sum);
        getch();

}

Output: