public static void Main()
int[] randomResult = new int[4];
Random rnd = new Random();
for (int i = 0; i < 4; i++)
randomResult[i] = rnd.Next(0, 10);
for (int j = 0; j < i; j++)
while (randomResult[j] == randomResult[i])
randomResult[i] = rnd.Next(0, 10);
foreach (int result in randomResult)
string line = Console.ReadLine();
for (int d = 0; d < 4; d++)
for (int k = 0; k < 4; k++)
if (randomResult[d].ToString() == line[k].ToString())
Console.WriteLine(a + "A" + b + "B");
Console.WriteLine("You Win");
Console.WriteLine("You Lose");