技術，瞎侃，健康，休閑……

Calculate a + b

Input

a and b

Output

a+b

Sample Input

1 5

Sample Output

6

Solution

#include <iostream>
using namespace std;

int main()
{
???? int a,b;
??? while(cin >> a >> b);
???? ??? cout << a+b << endl;
???? return 0;
}