fun main(arr:Array<String>) {
    val inputCount = readLine()!!.toInt()
    (1..inputCount).forEach { println(getAns(readLine()!!)) }
}

fun getAns(input:String):Int {

    val listGood = mutableListOf<Int>()
    val listProbrem = mutableListOf<Int>()
    for(i in (0..input.length - 11)) {
        listGood.add(convCount("good", input.substring((i until i + 4))))
        listProbrem.add(convCount("problem", input.substring(i + 4 until  i + 11)))
    }
    for(i in (1..listGood.lastIndex)) {
        listGood[i] = Math.min(listGood[i], listGood[i - 1])
    }
    for(i in (0..listProbrem.lastIndex - 1).reversed()) {
        listProbrem[i] = Math.min(listProbrem[i], listProbrem[i + 1])
    }
    return listGood.indices.map { listGood[it] + listProbrem[it] }.min()!!
}

fun convCount(original:String, require:String):Int {
    val ans = original.withIndex().map { if(it.value == require[it.index]) 0 else 1 }.sum()
    return ans
}