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

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	string a, b;
	char w[5007];
	cin >> a >> b;
	while(a.size() < b.size()){
		a ='0'+a;
	}
	while(a.size() > b.size()){
		b ='0'+b;
	}
	int x, r=0;
	for(int i=b.size()-1; i>=0; --i){
		x = (a[i]-'0') + (b[i]-'0');
		x+=r;
		r = x/10;
		x%=10;
		w[i] = (x+'0');
	}
	if(r!=0) cout << r;
	for(int i=0; i<b.size(); ++i) cout << w[i];
	return 0;
}