[백준] 30456번 바닥수 (bronze 1

import java.util.*;
import java.io.*;

public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st=new StringTokenizer(br.readLine());
        int n=Integer.valueOf(st.nextToken());
        int l=Integer.valueOf(st.nextToken());

        if(n==0){
            bw.write("10");
        }
        else{
            bw.write("1"+(n/1));
        }
        l-=2;
        bw.write("1".repeat(l));
        bw.flush();
    }
}