package de.codegym.task.task15.task1531;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigDecimal;
/*
Fakultät
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int input = Integer.parseInt(reader.readLine());
reader.close();
//System.out.println(factorial(input));
}
public static String factorial(int n) {
//schreib hier deinen Code
int a = 0;
int start = 1;
int result;
BigDecimal x = new BigDecimal("result");
for(int i = 0; i < n; i++){
result = start * i;
start++;
}
return (a.compareTo(x));
}
}