#include <algorithm>
#include <iostream>
#include <iomanip>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <cmath>
using namespace std;

typedef long long ll;

int SURP = 1000000007;

int main(){
	int A,B;
	cin >> A >> B;

	int ret = A - B * (-1);

	cout << ret << endl;
	return 0;
}