#include<bits/stdc++.h>
using namespace std;
string s1,s2;
int a[500],b[500],c[500];
int main(){
	cin>>s1>>s2;
	
	
	for(int i=0;i<s1.size();i++){
		a[s1.size()-1-i]=s1[i]-'0';	
	}
	
	for(int i=0;i<s2.size();i++){
		b[s2.size()-1-i]=s2[i]-'0';	
	}
	
	int len=max(s2.size(),s1.size());
	
	for(int i=0;i<len;i++){
		c[i]=a[i]+b[i];	
		
	}
	for(int i=0;i<len;i++){
		if(c[i]>=10){
			c[i]=c[i]%10;
			c[i+1]=c[i+1]+1; 
		}
			
	}
	if(c[len]!=0) len++;
	
	for(int i=len-1;i>=0;i--) cout<<c[i];
	
	
	
	return 0;
}
/**************************************************************
	Problem: 1268
	User: wuhanyu
	Language: C++
	Result: Accepted
	Time:15 ms
	Memory:2084 kb
****************************************************************/