#include<bits/stdc++.h>
#define N 505
using namespace std;

string s1,s2;

int a[N],b[N];

int main()
{
	getline(cin,s1);
	getline(cin,s2);
	int l1=a[0]=s1.size();
	int l2=b[0]=s2.size();
	for(int i=l1;i>0;i--)	a[i]=s1[l1-i]-'0';
	for(int i=l2;i>0;i--)	b[i]=s2[l2-i]-'0';
	l1=l1>l2?l1:l2;
	for(int i=1;i<=l1;i++)
	{
		a[i]+=b[i];
		a[i+1]+=a[i]/10;
		a[i]%=10;
	}
	a[0]+=a[l1+1]?2:1;
	while(--a[0])	printf("%d",a[a[0]]);
	return 0;
}