static void Main(string[] args)

{

int i = 1, Number = 0;

while (i <= 5)

{

Console.Write("Enter Number {0} : ", i++);

Number = Convert.ToInt32(Console.ReadLine());

int f = 1, j = 1;

while (j <= Number)

f = f * j++;

Console.WriteLine("Fact is : {0}", f);

}

}