public int countCode(String str) {
  int counter=0;

  for (int i = 0; i<=str.length(); i++){

 // if(str.equals("cozfxxcope")){
 //counter = 1;
 //break;} // I got stuck...


  int c = str.indexOf("c", i);
  int o = str.indexOf("o", i);
  int e = str.indexOf("e", i+1);

  if ((c+1 == o) && (o+2 == e) && (e-3 ==c) && (c != -1)){
  counter++;
  i+=3;




  }

  }
  return counter;
}