import java.io.* ;
public class life42  {
	private static BufferedReader stdin = new BufferedReader (
	new InputStreamReader ( System.in) ) ;
	
public static void main (String[] args) {
		
	System.out.println( "Enter a number") ;
	 String input = stdin.readLine();
	
	int a = Integer.parseInt ( input) ;
	
	if ((a !<= 0 || a !>= 0)) {
	System.out.println("Maybe if you enter a number..") ;}
		
		while ( a <= 0 || a >= 0) {
			
			System.out.println ("Input a number") ;
			input = stdin.readLine();
			a = Integer.parseInt(input) ;
			System.out.println(a) ; 
			}


			if (a == 42) {
System.exit;
	}
}

}