Java 之整除

import java.util.Scanner;
public class Main{ 
	public static void main(String args[]) { 
		Scanner cin = new Scanner(System.in); 
	int n,sum,i;
	
  while(cin.hasNext()) {
	  n=cin.nextInt();
	  sum = n/5+n/6+n/8-n/30-n/24-n/40+n/120;
	System.out.println(sum);
	}
}
}