#include <bits/stdc++.h>
#define int unsigned long long
#define Minecraft signed main()
#define mingchao return 0;
using namespace std;
int a,b,ans=1;
Minecraft{
	cin>>a>>b;
	for(int i = 1;i<=a;i++){
		ans*=10;
	}
	ans+=b;
	cout<<ans<<endl;
	mingchao
}

为啥测试点不能水些呢