#include<bits/stdc++.h>

using namespace std;

vector<int> add(vector<int> &A, vector<int> &B) {

    vector<int> C;

    int t = ;

    for (int i = ; i < A.size()||i < B.size(); i ++ ) {

        if(i<A.size()) t+=A[i];

        if(i<B.size()) t+=B[i];

        C.push_back(t % );

        t /= ;

    }

    if (t) C.push_back();

    return C;

}

int main() {

    string a,b;

    vector<int>A,B;

    cin>>a>>b;//a=123456

    for(int i=a.size()-; i>=; i--)  A.push_back(a[i]-'');

    for(int i=b.size()-; i>=; i--)  B.push_back(b[i]-'');

    auto C=add(A,B);

    for(int i=C.size()-; i>=; i--) printf("%d",C[i]);

    return ;

}