#include<iostream>
using namespace std;
int n,p,k,i;
int main()
{
    cin>>n>>k;//det cate cifre de 0 are n
    p=0;
    while (n!=1)
    {
        n=n/10;
        p=p+1;
    }
    cout<<1; //afisam 1, urmat de p*k 0-uri
    for (i=1;i<=p*k;i=i+1)
    {
        cout<<0;
    }
    return 0;
}