s = "46" * 30 + "84" * 30 + "86" * 30


while "46" in s or "84" in s or "86" in s:
    if "46" in s:
        s = s.replace("46", "64", 1)
    if "84" in s:
        s = s.replace("84", "48", 1)
    if "86" in s:
        s = s.replace("86", "68", 1)


print(len(s))
print(s[24], s[74], s[149])