using System; using System.IO; using System.Linq; using System.Text; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; class Program { static readonly string A = "good", B = "problem"; public void Solve() { int T = Reader.Int(); var S = Reader.StringArray(T); Array.ForEach(S, s => Console.WriteLine(Calc(s))); } private int Calc(string S) { int N = S.Length; var sumB = new int[N]; for (int i = B.Length; i < N; i++) { sumB[i] = sumB[i - 1]; if (S.Substring(i - B.Length, B.Length) == B) sumB[i]++; } var minAmoves = new int[N]; for (int i = 0; i + A.Length <= N; i++) { minAmoves[i] = sumB[i] + Enu.Range(0, A.Length).Count(d => S[i + d] != A[d]); if (i > 0) minAmoves[i] = Math.Min(minAmoves[i], minAmoves[i - 1]); } int ans = N; for (int i = A.Length; i + B.Length <= N; i++) { int count = Enu.Range(0, B.Length).Count(d => S[i + d] != B[d]); ans = Math.Min(ans, count + minAmoves[i - A.Length]); } return ans; } } class Entry { static void Main() { new Program().Solve(); } } class Reader { private static TextReader reader = Console.In; private static readonly char[] separator = { ' ' }; private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; private static string[] A = new string[0]; private static int i; private static void Init() { A = new string[0]; } public static void Set(TextReader r) { reader = r; Init(); } public static void Set(string file) { reader = new StreamReader(file); Init(); } public static bool HasNext() { return CheckNext(); } public static string String() { return Next(); } public static int Int() { return int.Parse(Next()); } public static long Long() { return long.Parse(Next()); } public static double Double() { return double.Parse(Next()); } public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); } public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); } public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); } public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Next()).ToArray(); } public static string Line() { return reader.ReadLine().Trim(); } private static string[] Split(string s) { return s.Split(separator, op); } private static string Next() { CheckNext(); return A[i++]; } private static bool CheckNext() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return CheckNext(); A = Split(line); i = 0; return true; } }