import java.util.Scanner;
public class Factorial {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("Give a number: ");
int number = Integer.valueOf(scanner.nextLine());
int fact = 1;
int i = 1;
while (true) {
if (number == 0) {
break;
}
if (i <= number) {
fact = fact * i;
i++;
}
}
System.out.println("Factorial: " + fact);
}
}