sum.c

gistfile1.txt

#include <stdio.h>

int add(int a, int b){
    return a+b;
}

int main(int argc, const char * argv[]) {
    // insert code here...
    int a,b;
    
    printf("First number ");
    scanf("%d",&a);
    printf("Second number ");
    scanf("%d",&b);
    int sum = add(a, b);
    printf("A plus b equals %d", sum);
    return 0;
}