Find sum in two number in C/C++

/* Add two number or sum */

#include <stdio.h>

int main()
{

    int number_1, number_2, sum;

    /* For input 2 numbers from user */

    printf("Enter first integer number : ");
    scanf("%d",&number_1);

    printf("Enter second integer number : ");
    scanf("%d",&number_2);

    sum = number_1 + number_2;  /* For add two number */

    printf("The Sum is :%d\n",sum);

    return 0;

}

OUTPUT: