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#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main() {
    string a, b;
    cin >> a >> b;
    if (a.length() > b.length()) {
        swap(a, b);
    }

    int lenDiff = b.length() - a.length();
    for (int i = 0; i < lenDiff; i++) {
        a = '0' + a;
    }
    string result = "";
    int carry = 0;
    for (int i = a.length() - 1; i >= 0; i--) {
        int sum = (a[i] - '0') + (b[i] - '0') + carry;
        result = to_string(sum % 10) + result;
        carry = sum / 10;
    }

    if (carry > 0) {
        result = to_string(carry) + result;
    }

    cout << result << endl;

    return 0;
}