3052번 문제

 

 

 

 

 

a = []
for i in range(0,10) :
    a.append(int(input()))

i = 0

while i < 10 :
    a[i] = a[i]%42
    i += 1

new_list = []


for i in a :
    if i not in new_list :
        new_list.append(i)

print(len(new_list))