#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    string A, B, ans;
    cin >> A >> B;
    reverse(A.begin(), A.end());
    reverse(B.begin(), B.end());
    int c = 0, v;
    for(int i = 0; i < max(A.size(), B.size()); i++){
        v = c;
        c = 0;
        if(i < A.size())v += A[i] - '0';
        if(i < B.size())v += B[i] - '0';
        if(v >= 10)c = 1, v -= 10;
        ans += v + '0';
    }
    if(c)ans += '1';
    reverse(ans.begin(), ans.end());
    cout << ans << '\n';
}