EGN_sum_male

#include <cstdlib>
#include <iostream>

using namespace std;

int T,N;
char egn[10];

int main(){

    cin >> T;
    while( T-- ){
        int sum = 0;
        cin >> N;
        while( N-- ){
            cin >> egn;
            if( egn[8] % 2 == 0 ) sum ++;
        }
        cout << sum << endl;
    }
    return 0;
}