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#include<bits/stdc++.h>
using namespace std;
using ll=long long;
string s1,s2;
vector<short>res;

int main(){
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);
	cin>>s1>>s2;
	res.resize(max(s1.size(),s2.size())+1);
	reverse(s1.begin(),s1.end());
	reverse(s2.begin(),s2.end());
	for(int i=0;i<s1.size();++i)
		res[i]+=s1[i]-48;
	for(int i=0;i<s2.size();++i)
		res[i]+=s2[i]-48;
	int carry=0;
	for(int i=0;i<res.size();++i){
		res[i]+=carry;
		carry=res[i]/10;
		res[i]%=10;
	}
	reverse(res.begin(),res.end());
	int i=0;
	while(res[i]==0)
		++i;
	for(;i<res.size();++i)
		cout<<res[i];
}