#include <iostream>
#include <iomanip>
#include <cmath>
#include <sstream>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

using namespace std;
int main(int argc, char** argv) {
	
ios_base::sync_with_stdio(0);
    cin.tie(0);
	int n;
	scanf("%d\n",&n);
	while(n--){
		int p=0,pair=0;
		while(1){
			char c=getchar();
			if(c=='\n')
				break;
			if(c=='p')
				p++;
			else if(c=='q'&&p>0){
				p--;
				pair++;
			}
		}
		printf("%d\n",pair);
	}
	return 0;
}