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#include<bits/stdc++.h>

using namespace std;
string wyn="";
void dodaj(string a, string b) {
    int ile=0, pom;
    for(int i=a.size()-1; i>=0; i--) {
        pom=a[i]-'0' + b[i]-'0' + ile;
        ile=pom/10;
        pom=pom%10;
        wyn = (char)(pom+'0') + wyn;;
    }
    if(ile!=0) {
        wyn=(char)(ile+'0') + wyn;
    }
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    string a, b;
    cin >> a >> b;
    if(a.size()<b.size()) {
        swap(a, b);
    }
    while(b.size()<a.size()) {
        b="0"+b;
    }
    dodaj(a, b);
    cout << wyn;
}