12

for i in range(201, 300):
    s = '1' * i
    while '111' in s or '222' in s:
        if '111' in s:
            s = s.replace('111', '22', 1)
        if '222' in s:
            s = s.replace('222', '1', 1)
    if len(s) == sum(list(map(int, s))):
        print(i)
        break

# Ответ: 205