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

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	string a, b;
	cin >> a >> b;
	reverse(a.begin(), a.end());
	reverse(b.begin(), b.end());
	if(a.size() < b.size()) swap(a, b);
	while(a.size() != b.size()) b += '0';
	int p = 0;
	vector<int> w;
	int c;
	for(int i = 0; i < a.size(); i++){
		c = a[i] + b[i] - 96 + p;
		p = c/10;
		w.push_back(c%10);
	}
	if(p) cout << p;
	for(int i = a.size()-1; i >= 0; i--) cout << w[i];
	return 0;
}