#include <iostream>
#include <math.h>
#include <algorithm>
#include <functional>
#include <vector>
#include <typeinfo>
#include <climits>
#include <ctype.h>
#include <string>
#include <stack>
using namespace std;
struct omt{omt(){ios::sync_with_stdio(false);cin.tie(0);}}star;

int main(){
    int a, b;
    cin >> a >> b;
    b *= (-1);
    cout << a - b << endl;

    return 0;
}