#include<iostream>
#include<cstdio>
#include<string>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<ctime>
#include<queue>
#include<stack>
#include<map>
#include<vector>
#include<deque>
#include<set>
#include<list>
using namespace std;
string ans;
string Plus(string a,string b)
{
	int len=0;
	int c[505],s1[505],s2[505];
	if(a.size()>b.size())
	{
		len=a.size();
	}else{
		len=b.size();
	}
	for(int i=0;i<a.size();i++)
	{
		s1[i]=a[i]-'0';
	}
	for(int i=0;i<b.size();i++)
	{
		s2[i]=b[i]-'0';
	}
	for(int i=0;i<len;i++)
	{
		c[i]+=s1[i]+s2[i];
		c[i+1]+=c[i]/10;
		c[i]=c[i]%10;
	}
	if(c[len]==0) len--;
	for(int i=len;i>=0;i--)
	{
		ans+=c[i]+'0';
	}
	return ans;
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	string s1,s2;
	cin>>s1;
	reverse(s1.begin(),s1.end());
	cin>>s2;
	reverse(s2.begin(),s2.end());
	cout<<Plus(s1,s2);
	return 0;
}