#include<iostream>
using namespace std;

const int N = 1e5 + 10;
string a , b;
int a1[N] , b1[N] , c1[N] , lena , lenb , lenc , x;

int main(){
	cin >> a >> b;
	lena = a.size();
	lenb = b.size();
	lenc = max(lena , lenb);
	for(int i = 0;i < lena;i ++){
		a1[i] = a[lena - i - 1] - '0';
	}for(int i = 0;i < lenb;i ++){
		b1[i] = b[lenb - i - 1] - '0';
	}for(int i = 0;i < lenc;i ++){
		c1[i] = a1[i] + b1[i] + x;
		x = c1[i] / 10;
		c1[i] %= 10;
	}
	c1[lenc] = x;
	while(c1[lenc] == 0 && lenc > 0){
		lenc --;
	}for(int i = lenc;i >= 0;i --){
		cout << c1[i];
	}
	return 0;
}