import sys
readline=sys.stdin.readline
write=sys.stdout.write

N=readline().rstrip()
cnt=N.count("1")
if cnt==1:
    ans="No"
elif cnt==2:
    ans="Yes"
else:
    le=len(N)
    lst=[]
    for i in range(le):
        if N[i]=="1":
            lst.append(i)
    if lst[-1]-lst[0]+1==cnt:
        ans="Yes"
    else:
        ans="No"
print(ans)