Lukujono

x = int(input())
ans = []


while True:
    ans.append(str(x))
    if x == 1:
        break
    if x % 2 == 0:
        x //= 2
    else:
        x = 3 * x + 1
        
print(" ".join(ans))

Test 1 (public)

Verdict: WRONG ANSWER