#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
int k;
cin>>k;
int z=(n>>(k-1));
if(z%2!=0){
cout<<"YES";
}
else{
cout<<"NO";
}
}
I2luY2x1ZGUgPGJpdHMvc3RkYysrLmg+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CmludCBtYWluKCkKewogICAgaW50IG47CiAgICBjaW4+Pm47CiAgICBpbnQgazsKICAgIGNpbj4+azsKICAgIGludCB6PShuPj4oay0xKSk7CiAgICBpZih6JTIhPTApewogICAgICAgIGNvdXQ8PCJZRVMiOwogICAgfQogICAgZWxzZXsKICAgICAgICBjb3V0PDwiTk8iOwogICAgfQp9CiAK