#include<iostream>
#include<stdio.h> 
#include<algorithm>
#include<cstring>

using namespace std;

int main(){
	freopen("replace.in","r",stdin);
	freopen("replace.out","w",stdout);
	int m,n;
	cin>>m>>n;
	for(int i=1;i<=n;i++) cout<<0;
	return 0;
}
