#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <algorithm>
#include <cstring>

using namespace std;

char a_[510], b_[510];
int a[510], b[510];
int la, lb;

int ans[510];
bool flag;

int main()
{
    cin>>a_+1;
    cin>>b_+1;

    la = strlen(a_+1);
    lb = strlen(b_+1);

    for(int i=1; i<=la; i++)
        a[i] = a_[la+1-i] - '0';

    for(int i=1; i<=lb; i++)
        b[i] = b_[lb+1-i] - '0';
    
    for(int i=1; i<=510; i++)
    {
        ans[i] += a[i];
        ans[i] += b[i];

        while(ans[i] >= 10)
        {
            ans[i] -= 10;
            ans[i+1]++;
        }
    }
    
    flag = false;
    for(int i=505; i>=1; i--)
    {
        if(ans[i] != 0) flag = true;
        if(flag) cout<<ans[i];
    }

    return 0;
}