def main():
    s = input().strip()
    cnt_1 = s.count('1')
    
    # Check condition A: exactly two '1's and non-consecutive
    if cnt_1 == 2:
        first = s.find('1')
        second = s.find('1', first + 1)
        if second != first + 1:
            print("Yes")
            return
    
    # Check condition B: contiguous '1's followed by '0's only
    pos = 0
    while pos < len(s) and s[pos] == '1':
        pos += 1
    rest = s[pos:]
    condition_b = '1' not in rest
    
    if condition_b:
        if cnt_1 == 1:
            print("No")
        else:
            print("Yes")
    else:
        print("No")

if __name__ == "__main__":
    main()