import java.util.*;
public class Main{
  public static void main(String[]args){
    Scanner sc=new Scanner(System.in);
    int n=sc.nextInt();
    String s=sc.next();
    if(s.length()<n){
      System.out.println(s);
    }else{
      System.out.println(s.substring(1,n));
    }
  }
}
    
