#include <bits/stdc++.h>
#define int long long
#define endl '\n'

using namespace std;

const int N = 210;
int a[N], b[N], ans[N];

signed main(){
    string x, y;
    cin >> x >> y;
    reverse(x.begin(), x.end());
    reverse(y.begin(), y.end());
    for(int i = 0; i < x.size(); i ++) a[i] = x[i] - '0';
    for(int i = 0; i < y.size(); i ++) b[i] = y[i] - '0';
    int len = max(x.size(), y.size());
    for(int i = 0; i < len; i ++){
        ans[i] += a[i] + b[i];
        ans[i + 1] += ans[i] / 10;
        ans[i] %= 10;
    }
    while(ans[len] == 0 && len > 0) len --;
    for(int i = len; i >= 0; i --) cout << ans[i];
    return 0;
}