import java.util.InputMismatchException;
import java.util.Scanner;


public class Saisie{

	private static int n;

	public static int lireEntier(String msg){
		try{
			System.out.println(msg);
			Scanner sc = new Scanner(System.in);
			n = sc.nextInt();
		}catch(InputMismatchException afe){
			System.out.println("Ceni n'est pas un entier malheureux !\n");		
			lireEntier(msg);
		}
		return n;

	}
}