tijie<AC>

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

int main() {
	string sa, sb;
    cin >> sa >> sb;
    int la = sa.size(), lb = sb.size();
    int a[210] = {}, b[210] = {};
    for (int i = 0; i < la; i++) a[i] = sa[la-i-1] - '0';
    for (int i = 0; i < lb; i++) b[i] = sb[la-i-1] - '0';
    int c[210] = {}, lc = max(la, lb) + 1;
    for (int i = 0; i < lc; i++) {
        c[i] += a[i] + b[i];
        if (c[i] >= 10) {
            c[i] -= 10;
            c[i+1]++;
        }
    }
    while (c[lc] == 0 && lc > 0) lc--;
    for (int i = lc; i >= 0; i--) cout << c[i];
    return 0;
}