#include <iostream>
#include <cstring>
#include <algorithm>
#include <vector>
using namespace std;
vector<int> C;
vector<int> add(vector<int> A,vector<int> B){
    if(A.size()<B.size()) return add(B,A);
    vector<int> C;
    int t=0;
    for (int i = 0; i < A.size(); i ++ ){
        t+=A[i];
        if(i<B.size()) t+=B[i];
        C.push_back(t%10);
        t/=10;
    }
    if(t) C.push_back(t);
    return C;
}
int main()
{
    string a,b;
    cin >>a >>b;
    vector<int> A,B;
    for (int i = a.size()-1; i >=0; i -- ) A.push_back(a[i]-'0');
    for (int i = b.size()-1; i >=0; i -- ) B.push_back(b[i]-'0');
    vector<int> C=add(A,B);
    for (int i = C.size()-1; i >=0; i -- ) cout << C[i];
    return 0;
}