#include<iostream>
#include<vector>
using namespace std;

vector<int>A,B;
string a,b;

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(){
    cin>>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 C=add(A,B);
    for(int i=C.size()-1;i>=0;i--)cout<<C[i];
}