using System;
public class Program
{
public static void Main()
Console.WriteLine("saisir un entier n entre 0 et 9");
int n = Convert.ToInt32(Console.ReadLine());
switch (n)
case 1 :
Console.WriteLine("Un");
break;
case 2 :
Console.WriteLine("Deux");
case 3 :
Console.WriteLine("Trois");
case 4 :
Console.WriteLine("Quatre");
case 5 :
Console.WriteLine("Cinq");
}