#include<bits/stdc++.h>
using namespace std;
string a,b;
long long c[5050],y[5050],aa,bb,achang,bchang,n,z[5050];
int main()
{
	cin>>a;
	cin>>b;
	n=max(a.size(),b.size());
	for(int i=0;i<=a.size();i++)
	{
		c[a.size()-1-i]=a[i]-'0';
		
	} 
	for(int i=0;i<=b.size();i++)
	{
		y[b.size()-1-i]=b[i]-'0';
		
	} 
	for(int i=0;i<=n-1;i++)
	{
		z[i]=c[i]+y[i]+z[i];
		if (z[i]>=10)
		{
			z[i]=z[i]-10;
			z[i+1]=z[i+1]+1; 
		}
	}
	if(z[n]==1)
	{
		cout<<z[n];
	}
	for(int i=n-1;i>=0;i--)
	{
		cout<<z[i];
	}
	return 0;
}