a = int(input())
f = []
for i in range(a):
    s = int(input())
    f.append(s)
if f.count(3) >=1:
    print('None')
else:
    if f.count(5) == len(f):
        print('Named')
    elif sum(f) / len(f) >=4.5:
        print('High')
    else:
        print('Common')