// Copyright (c) 2019-present, Facebook, Inc.
// All rights reserved.
//
// This source code is licensed under the license found in the
// LICENSE file in the root directory of this source tree.
//

import java.util. *;
import java.util.stream.*;
import java.lang.*;
import javafx.util.Pair;
public class FIND_WHETHER_A_GIVEN_NUMBER_IS_A_POWER_OF_4_OR_NOT_1{
static int f_gold ( int n ) {
  int count = 0 ;
  int x = n & ( n - 1 ) ;
  if ( n > 0 && x == 0 ) {
    while ( n > 1 ) {
      n >>= 1 ;
      count += 1 ;
    }
    return ( count % 2 == 0 ) ? 1 : 0 ;
  }
  return 0 ;
}


//TOFILL

public static void main(String args[]) {
    int n_success = 0;
    List<Integer> param0 = new ArrayList<>();
    param0.add(1);
    param0.add(4);
    param0.add(64);
    param0.add(-64);
    param0.add(128);
    param0.add(1024);
    param0.add(45);
    param0.add(33);
    param0.add(66);
    param0.add(74);
    for(int i = 0; i < param0.size(); ++i)
    {
        if(f_filled(param0.get(i)) == f_gold(param0.get(i)))
        {
            n_success+=1;
        }
    }
    System.out.println("#Results:" + n_success + ", " + param0.size());
}
}