#include<bits/stdc++.h>
using namespace std;
int a[10001],b[10001],c[10001];
int main(){
	string s1,s2;
	cin>>s1>>s2;
	int len1=s1.size(),len2=s2.size();
	for(int i=1;i<=len1;i++){
		a[i]=s1[len1-i]-'0';
	}
	for(int i=1;i<=len2;i++){
		b[i]=s2[len2-i]-'0';
	}
	int len=max(len1,len2),r=0;
	for(int i=1;i<=len;i++){
		c[i]=a[i]+b[i]+r;
		r=c[i]/10;
		c[i]=c[i]%10;
	}
	if(r>0){len++;c[len]=r;}
	while(c[len]==0&&len>1){
		len--;
	}
	for(int i=len;i>=1;i--) cout<<c[i];
}