#include<iostream>
#include<stdio.h>
#include<stdlib.h>
#include<algorithm>
#include<vector>
#include<string.h>
#include<math.h>
#include<map>
#include<iomanip>
#include<queue>

using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;

ll mod = 1e9 + 7;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(15);
    ld a , b;
    cin >> a >> b;
    ld ans = a + b;
    cout << ans << endl;
    return 0;
}