#include <bits/stdc++.h>//114514廖浩宇 
using namespace std;
int a1[501],b1[501],c1[501];//初始化 
int lia,lsb;
string sb1,sb2;
int main(){
	cin >> sb1 >> sb2;//我劝你给我点个赞 
	lia=sb1.size();
	lsb=sb2.size();
	for (int i = 0; i < lia; i++)
		a1[lia-i] = sb1[i] - '0';
	for (int i = 0; i < lsb; i++)
		b1[lsb-i] = sb2[i] - '0';
	int lcp = max(lia,lsb) + 1;
	for (int i = 1; i <= lcp; i++)
	{
		c1[i] += a1[i] + b1[i];
		c1[i+1] = c1[i] / 10;
		c1[i] %= 10;
	}
	while(c1[lcp] == 0 && lcp > 1)
		lcp--;
	for (int i = lcp; i >= 1; i--)
		cout << c1[i];  
}