import std.algorithm, std.array, std.container, std.range;
import std.numeric, std.math, std.bigint, std.bitmanip, std.random;
import std.string, std.conv, std.stdio, std.typecons;

void main()
{
  auto t = readln.chomp.to!int;

  foreach (_; 0..t) {
    auto s = readln.chomp;
    auto r = s.length;
    foreach (i; 0..s.length - (4 + 7) + 1) {
      auto h1 = hamiltonDistance("good", s[i..i + 4]);
      foreach (j; i + 4..s.length - 7 + 1) {
        auto h2 = hamiltonDistance("problem", s[j..j + 7]);
        if (h1 + h2 < r)
          r = h1 + h2;
      }
    }

    writeln(r);
  }
}

int hamiltonDistance(string a, string b)
{
  return a.zip(b).count!("a[0] != a[1]").to!int;
}