//*
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//*/
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using ull=unsigned long long;
using P=pair<int,int>;
using Pl=pair<ll,ll>;
constexpr int mod=998244353;
constexpr int Mod=1e9+7;
constexpr int inf=Mod;
constexpr ll linf=(ll)inf*inf;
constexpr int dx[]={1,0,0,-1},dy[]={0,1,-1,0};
constexpr int Dx[]={1,1,1,0,0,-1,-1,-1},Dy[]={1,0,-1,1,-1,1,0,-1};
struct initio{
	initio(){
		cin.tie(0)->sync_with_stdio(0);
		cout<<fixed<<setprecision(20);
	};
}iio;
template<class T>
bool chmax(T&a,const T&b){
	if(a<b){
		a=b;
		return 1;
	}
	return 0;
}
template<class T>
bool chmin(T&a,const T&b){
	if(a>b){
		a=b;
		return 1;
	}
	return 0;
}
//*
#include<atcoder/all>
using namespace atcoder;
using mint=modint998244353;
using Mint=modint1000000007;
//*/
int main(){
	string A,B;
	cin>>A>>B;
	vector<int>a,b;
	for(int i=A.size()-1;i>=0;i--)
		a.push_back(A[i]-'0');
	for(int i=B.size()-1;i>=0;i--)
		b.push_back(B[i]-'0');
	vector<int>c;
	int tmp=0;
	for(int i=0;i<max(a.size(),b.size());i++){
		if(i<a.size())
			tmp+=a[i];
		if(i<b.size())
			tmp+=b[i];
		c.push_back(tmp%10);
		tmp/=10;
	}
	if(tmp)
		c.push_back(tmp);
	for(int i=c.size()-1;i>=0;i--)
		cout<<c[i];
	cout<<endl;
}