Problem : https://www.hackerrank.com/challenges/cpp-input-and-output/problem
Solution : #include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
/* Enter your code here. Read input from STDIN. Print output to STDOUT */
int a , b , c;
cin>>a>>b>>c;
int sum = 0;
sum = a + b + c;
cout<<sum;
return 0;
}