Codeforces 258A LittleElephantAndBits program in java

LittleElephantAndBits.java

import java.util.Scanner;

public class LittleElephantAndBits
{
    public static void main(String[] args)
    {
        Scanner z=new Scanner(System.in);
        String y=z.next();
        StringBuilder sb=new StringBuilder(y);
        if(y.contains("0"))
        {
            for(int i=0;i<sb.length();i++)
            {
                if(sb.charAt(i)=='0')
                {
                    sb.deleteCharAt(i);
                    break;
                }
            }
            System.out.println(sb);
        }
        else
            System.out.println(sb.deleteCharAt(0));
    }
}