#include<iostream>
using namespace std;
string N;
main()
{
	cin>>N;
	int cnt=0;
	for(char c:N)if(c=='1')cnt++;
	if(cnt==2)
	{
		cout<<"Yes"<<endl;
		return 0;
	}
	else if(cnt==1)
	{
		cout<<"No"<<endl;
		return 0;
	}
	int i=0;
	while(N[i]=='0')i++;
	for(int j=0;j<cnt;j++)if(N[i+j]!='1')
	{
		cout<<"No"<<endl;
		return 0;
	}
	cout<<"Yes"<<endl;
}