#include<iostream>
#include<vector>
using namespace std;
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++){            //1111111
        t+=A[i];
        if(i<B.size()) t+=B[i];
        C.push_back(t%10);
        t/=10;
    }
    if(t) C.push_back(t);         //222222222222222222
    return C;

}
int main(){
    string a,b;
    vector<int>A,B;
    cin>>a>>b;

    for(int i =a.size()-1;i>=0;i--) A.push_back(a[i]-'0');//3333333333  
    for(int i=b.size()-1;i>=0;i--)  B.push_back(b[i]-'0');
    auto C=add(A,B);
    for(int i=C.size()-1;i>=0;i--) cout<<C[i];
    cout<<endl;
    return 0;
}