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