Factrial

// Write a program to calculate factorial of a number.

object factorail {
def main(args:Array[String]): Unit = {
println("Enter Number: \n")
var n = scala.io.StdIn.readInt()

var sum: Int = 1

for(i<-1 to n)
{
sum = sum * i
}
println("Factorial of a Number" +n+ " is: \n" +sum)
}

}