lst = input().split()
s1 = 0
s2 = 0
s3 = 0
for i in lst:
    if int(i) >= 118:
        s1 = 1
        break
    elif 118 > int(i) >= 63:
        s2 += 1
    elif 41 <= int(i) < 63:
        s3 += 1
if s1 == 1:
    print(10)
else:
    if s2 >= 4:
        print(8)
    else:
        if s3 >= 4:
            print(3)
        else:
            print(1)