3052 : 나머지

import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		
		Scanner sc = new Scanner(System.in);

		int[] arr = new int[42];
		int cnt = 0;
		
		for(int i = 0 ; i<10 ; i++) {
			int num = sc.nextInt();
			arr[num%42] += 1;
		}
		
		for(int i = 0 ; i<42 ; i++) {
			if(arr[i]!=0) {
				cnt++;
			}
		}
		System.out.println(cnt);
	}
}