https://www.acmicpc.net/problem/3052
import java.util.*;
class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int arr[] = new int[10];
for (int i = 0; i < 10; i++) {
arr[i] = sc.nextInt();
}
int remain = 0;
for (int i = 0; i < 42; i++) {
int count = 0;
for (int j = 0; j < 10; j++) {
if (arr[j] % 42 == i) {
count++;
}
}
if (count != 0) {
remain++;
}
}
System.out.println(remain);
sc.close();
}
}