public class Factorial {
    
  public static void main(String[] args) {
    int result = Fact(5);
    System.out.println(result);
  }
  
  public static int Fact(int n) {
    if (n > 1) {
      return n * Fact(n - 1);
    } else {
      return 1;
    }
  }
  
}