#include<iostream>
#include<string>
using namespace std;
string addnum(string a, int i, int c);
int x = 1, y = 1;;
string temp;
int main(void)
{
    string a, b;
    getline(cin,a);
    getline(cin,b);
    int an = a.length();
    int bn = b.length();
    int n,n1;
    
    string out,t;
    
   

        if (an > bn)
        {
            n = bn;
            n1 = an;
            out = a;
            t = b;
        }
        else
        {
            n = an;
            n1 = bn;
            out = b;
            t = a;
        }
        int c = 0;
        for (int i = 0; i < n; i++)
        {

            c = int(out[n1 - 1 - i] - '0') + int(t[n - 1 - i] - '0');
            out = addnum(out, n1 - 1 - i, c);
            x = 1;
            y = 1;
            n1 = out.size();
        }
        cout << out;
    
    
}
string addnum(string a, int i, int c)
{
    
    if (c < 10)
    {
        a[i] = char(c + '0');
    }
    else
    {
        if (i > 0)
        {
            a[i] = char(c % 10 + '0');
            temp=addnum(a, i - 1, int(a[i - 1] - '0') + 1);
            y = 0;
        }
        else if (i == 0)
        {
            a[i] = char(c % 10 + '0');
            x = 0;
            return ("1"+a);
            
        }
    }
    if (x == 0)
    {
        return temp;
    }
    else if (y == 0)
    {
        return temp;
    }
    else
    {
        return a;
    }
   
}