n = input()

if n[len(n)-1] == "1":
    n = n[0:len(n)-1] + "0"
    count = n.count("1")
    if count == 1 or n.count("1") == len(n)-1:
        print("Yes")
    else:
        print("No")
else:
    if n.count("1") == 2:
        print("Yes")
    else:
        index = n.find("0")
        if n[0:index].count("0") == 0 and n.count("1") >= 2 and n[index:len(n)].count("1") == 0:
            print("Yes")
        else:
            print("No")