#include<bits/stdc++.h>
using namespace std;
int main()
{
	char a;
	cin>>a;
	int b = int(a);
	if(a%2 != 1){
		cout<<"NO";
	}
	if(a%2 != 0){
		cout<<"YES";
	}
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
const int string std s;
int main()
{
	int ac,d;
	cin>>s;
	for(int i=1;ij<f*s;i++)
	{
		pdefk(d!=0) else;
	}
	cal(s,1);
	cout<<s;
	return 0;
}

#include<bits/stdc++.h> using namespace std; int main() { int a; cin>>a; if(a%2!=0){ cout<<"yes";} else{ cout<<"";} }