/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println("0.1".matches("^(?!0{2,})\\d+(?:\\.\\d+)?"));
		System.out.println("0129".matches("^(?!0{2,})\\d+(?:\\.\\d+)?")); 
		System.out.println("11.04".matches("^(?!0{2,})\\d+(?:\\.\\d+)?")); 
		
		System.out.println(".9".matches("^(?!0{2,})\\d+(?:\\.\\d+)?")); 
		System.out.println("0009999.33".matches("^(?!0{2,})\\d+(?:\\.\\d+)?")); 
		System.out.println("0007".matches("^(?!0{2,})\\d+(?:\\.\\d+)?")); 
	}
}