#include<bits/stdc++.h>
using namespace std;

void solve()
{
    string a,b,c; cin>>a>>b;
    
    int i=a.size()-1,j=b.size()-1,rem=0;
    while(i>=0 && j>=0)
    {
        int num = ((int)a[i]-48) + ((int)b[j]-48);
        num += rem;
        i--;
        j--;
        rem = num%10;
        c.push_back((char)rem+48);
        rem = num/10;
    }

    while(i>=0)
    {
        int num = (int)a[i]-48;
        num += rem;
        i--;
        rem = num%10;
        c.push_back((char)rem+48);
        rem = num/10;
    }

     while(j>=0)
    {
        int num = (int)b[j]-48;
        num += rem;
        j--;
        rem = num%10;
        c.push_back((char)rem+48);
        rem = num/10;
    }

    if(rem)
      c.push_back((char)rem+48);

    reverse(c.begin(),c.end());
    cout << c << "\n";
}

signed main(){

  ios_base::sync_with_stdio(false),cin.tie(0);
  cout.tie(0);

  solve();
}