Coderforces Insomnia cure

http://codeforces.com/problemset/problem/148/A

import java.util.Scanner;public class Insomnia_cure {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int k = scanner.nextInt();int l = scanner.nextInt();int m = scanner.nextInt();int n = scanner.nextInt();int d= scanner.nextInt();int count = 0;for(int i =1 ; i <= d; i++) {if(i % k == 0 || i % l == 0 || i % m == 0 || i % n == 0) {count++;}}System.out.println(count);}}