真正的A+B problem

#include<bits/stdc++.h>
#define _ cin>>
#define __ cout<<
#define ___ int
#define _______ +
#define ________ ;
#define _________ return 0;
#define __________ a
#define ___________ b
using namespace std;
int main()
{
    ___ __________ ________
    ___ ___________ ________
    _ __________ ________
    _ ___________ ________
    __ __________ _______ ___________ ________
    _________
}