#include<bits/stdc++.h>
using namespace std;
int main(){
	string s1,s2;
	cin>>s1>>s2;
	string s3(s1.rbegin(),s1.rend());
	string s4(s2.rbegin(),s2.rend());
	int a[100000],b[100000];
	for(int i=0;i<s3.size();i++){
		a[i]=s3[i]-'0';
	}
	for(int i=0;i<s4.size();i++){
		b[i]=s4[i]-'0';
	}
	int mm=min(s3.size(),s4.size())+1;
	for(int i=0;i<mm;i++){
		int t=(a[i]+b[i]);
		if(t>9)b[i+1]+=t/10;
		b[i]=t%10;
	} 
	for(int i=max(s3.size(),s4.size());i>=0;i--){
		if(i==(max(s3.size(),s4.size()))&&b[max(s3.size(),s4.size())]==0)continue;
		cout<<b[i];
	}
	return 0;
}