#include<iostream>
#include<cstring>
using namespace std;
int max(int a, int b)
{
	if (a > b)
	return a;
	else
	return b;
}
int min(int a, int b)
{
	if (a < b)
		return a;
	else
		return b;
}
int main()
{
	int count = 0;
	char a[501], b[501];
	int s[503];
	for (int i = 0; i < 503; i++)
		s[i] = -1;
	cin >> a >> b;
	for (int i = 0; i < min(strlen(a), strlen(b)); i++)
	{
		int sum = (int)a[i] - 48 + (int)b[i] - 48;
		s[i] = sum % 10;
		s[i + 1] = sum / 10;
	}
	if (strlen(a) > strlen(b))
	{
		s[min(strlen(a), strlen(b))] += (int)a[min(strlen(a), strlen(b))] - 48;
	}
	else
	{
		s[min(strlen(a), strlen(b))] += (int)b[min(strlen(a), strlen(b))] - 48;
	}
	for (int i = min(strlen(a), strlen(b))+1; i < max(strlen(a), strlen(b)); i++)
	{
		if (strlen(a) > strlen(b))
		{
			s[i] += (int)a[i] - 48+1;
		}
		else
			s[i] += (int)b[i] - 48+1;
	}
	for (count = 0; count < 503; count++)
	{
		if (s[count] == -1)
		{
			count--;
			break;
		}
	}
	for (int i = count; i >= 0; i--)
	{
		cout << (char)(s[i] + 48);
	}
	return 0;
}