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#include<iostream>
#include<string>
using namespace std;

int main() {
    string a, b;
    cin >> a >> b;
    
    if (a.size() < b.size()) {
        int n = b.size() - a.size();
        for (int i = 0; i < n; i++) {
            a = '0' + a;
        }        
    }
    if (b.size() < a.size()) {
        int n = a.size() - b.size();
        for (int i = 0; i < n; i++) {
            b = '0' + b;
        }        
    }
    int carry = 0;
    string res = "";
    for (int i = a.size() - 1; i >= 0; i--){
        int v = (a[i] - '0') + (b[i] - '0') + carry;
        carry = v / 10;
        res = char(v % 10 + '0') + res;
    }
    if (carry) {
        res = '1' + res;
    }

    cout << res << endl;

    return 0;
}