#include<bits/stdc++.h>
using namespace std;
int a[2000],b[2000],f[2000],l,p,o,g;
int main()
{
	string n,m;
	cin>>n>>m;
	int a1=n.size(),a2=m.size(),a3=max(a1,a2)+1;
	for (int i=1;i<=a1;i++) a[i]=n[a1-i]-'0';
	for (int i=1;i<=a2;i++) b[i]=m[a2-i]-'0';
	for (int i=1;i<=a3;i++)
	{
		f[i]+=a[i]+b[i];
		if (f[i]>=10)
		{
			f[i]-=10;
			f[i+1]++;
		}
	}
	if (f[a3]==0) a3--;
	for (int i=a3;i>=1;i--) cout<<f[i];
}