import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); char[] target = "hackerrank".toCharArray(); int targetScore = target.length; int q = in.nextInt(); for(int a0 = 0; a0 < q; a0++){ String s = in.next(); char[] src = s.toCharArray(); int score = 0; for(int i = 0; i