import sys
#input = sys.stdin.readline
#input = sys.stdin.buffer.readline #文字列はダメ
#sys.setrecursionlimit(1000000)
#import bisect
#import itertools
#import random
#from heapq import heapify, heappop, heappush
from collections import defaultdict 
#from collections import deque
import copy #DeepCopy: hoge = [_[:] for _ in hogehoge]
#import math
#from functools import lru_cache
#@lru_cache(maxsize=None)
#MOD = pow(10,9) + 7
MOD = 998244353
#dx = [1,0,-1,0]
#dy = [0,1,0,-1]
#dx8 = [1,1,0,-1,-1,-1,0,1]
#dy8 = [0,1,1,1,0,-1,-1,-1]

def main():
    N = str(input())
    cnt = 0
    for i in range(len(N)):
        if N[i] == '1':
            cnt += 1
    if cnt == 2:
        print('Yes')
        exit()
    if cnt <= 1:
        print('No')
        exit()
    
    Flag = True
    for i in range(len(N)):
        if N[i] == '1':
            if Flag:
                continue
            else:
                print('No')
                exit()
        else:
            Flag = False
    print('Yes')


if __name__ == '__main__':
    main()