module main;

import std;

// 文字列SとTのうち、異なる文字の個数を返す
int check(string S, string T)
{
	assert(S.length == T.length);
	int res = 0;
	foreach (i; 0 .. S.length)
		res += S[i] != T[i];
	return res;
}

void main()
{
	// クエリの処理
	foreach (_; 0 .. readln.chomp.to!int) {
		auto S = readln.chomp;
		auto len = S.length;
		int ans = 10 ^^ 9;
		foreach (i; 0 .. len - 10) {
			int n1 = check(S[i .. i + 4], "good"), n2 = 10 ^^ 9;
			foreach (j; i + 4 .. len - 6) {
				n2 = min(n2, check(S[j .. j + 7], "problem"));
			}
			ans = min(ans, n1 + n2);
		}
		writeln(ans);
	}
}