shui

#include<bits/stdc++.h> 
using namespace std;
string s1,s2;
int a[100010],b[10010],ans[10020];
int len1,len2;
int main(){
	cin>>s1>>s2;
	len1=s1.size();
	len2=s2.size();
	for(int i=1,j=len1-1;j>=0;i++,j--){
		a[i]=s1[j]-'0';
	}
	for(int i=1,j=len2-1;j>=0;i++,j--){
		b[i]=s2[j]-'0';
	}
	int c=0;
	for(int i=1;i<=10010;i++){
		ans[i]=a[i]+b[i]+c;
		c=ans[i]/10;
		ans[i]=ans[i]%10;
	}
	int i=10009;
	while(i>=1&&ans[i]==0) i--;
	if(i==0){
		cout<<0<<endl;
	}else{
		while(i>=1){
			cout<<ans[i];
			i--;
		}
	}
	return 0;
}