Компегэ №12914

mas=[]
for N in range(1,1000000):
    n=bin(N)[2::]
    # print(n)
    if N%3==0:
        n=n.replace("0","11")
    else:
        n=n.replace("1","10")
    # print(n)
    r=int(n,2)
    if r<=161:
        mas.append(r)
print(mas)
print(max(mas))