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#include <bits/stdc++.h>
using namespace std;
int main()
{
    string s,w;
    cin>>s>>w;
    reverse(s.begin(),s.end());
    reverse(w.begin(),w.end());
    int a[5007],b[5007];
    int c[5007];
    for(int i=0;i<5007;i++)
    {
        if(i < s.size())
            a[i] = s[i]-'0';
        else
            a[i] = 0;
        if(i < w.size())
            b[i] = w[i]-'0';
        else
            b[i]=0;
    }
    for(int i=0;i<5007;i++)
        c[i]=0;
    for(int i=0;i<5006;i++)
    {
        c[i]+=a[i]+b[i];
        c[i+1]+=c[i]/10;
        c[i]%=10;
    }
    int i=5006;
    while(i>=0 && c[i]==0)
        i--;
    if(i==-1)
    {
        cout<<"0\n";
        return 0;
    }
    for(;i>=0;i--)
    {
        cout<<c[i];
    }
    cout<<"\n";
    return 0;
}