#include <bits/stdc++.h>

using namespace std;
const int N = 100010;

int a[N], b[N];
int al, bl;
void add(int a[], int &al, int b[], int &bl) {
    int t = 0;
    al = max(al, bl);
    for (int i = 0; i < al; i++) {
        t += a[i] + b[i];
        a[i] = t % 10;
        t /= 10;
    }
    if (t) a[al] = 1;
    while (al > 0 && a[al] == 0) al--;
}

int main() {
    string x, y;
    cin >> x >> y;
    for (int i = x.size() - 1; i >= 0; i--) a[al++] = x[i] - '0';
    for (int i = y.size() - 1; i >= 0; i--) b[bl++] = y[i] - '0';
    add(a, al, b, bl);
    for (int i = al; i >= 0; i--) printf("%d", a[i]);
    return 0;
}