a = [] for i in range(10): num = int(input()) a.append(num%42) # 나머지를 리스트에 넣음 a = list(set(a)) # 중복제거 print(len(a)) import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.HashSet; public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); HashSet h..