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#include <bits/stdc++.h>

using namespace std;

void suma(string a, string b){
    int l1 = a.length();
    int l2 = b.length();
    int add=0;
    int maxi = max(l1, l2);
    vector<int> v;
    for(int i=0;i<maxi;i++){
        int index1 = (l1-i)-1;
        int index2 = (l2-i)-1;
        int c1 = a[index1]-'0';
        int c2 = b[index2]-'0';
        if(index1 >= 0 && index2 >= 0){
                int num = c1+c2+add;
                v.push_back(num%10);
                add=num/10;
        }
        else{
            if(index1 >= 0){
                int num = c1+add;
                v.push_back(num%10);
                add=num/10;
            }
            else{
                int num = c2+add;
                v.push_back(num%10);
                add=num/10;
            }
        }
    }
    if(add != 0){
        v.push_back(add);
    }
    for(int i=v.size()-1;i>=0;i--){
        cout << v[i];
    }
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    string a, b;
    cin >> a >> b;
    suma(a, b);
    return 0;
}