import java.util.Scanner;
import java.text.DecimalFormat;
/**
 * Created by Matt, Yubo, and Shreyas (sp?) on 3/30/15.
 */
public class ParlayWager {
	Scanner in = new Scanner(System.in);
	
	public static void main(String[] args){ new ParlayWager().solve(); }
	
	void solve(){
		int T = in.nextInt();
		while(T > 0) {
			T--;
			double wager = in.nextDouble();
			int count = in.nextInt();
			boolean win = true;
			for(int i = 0; i< count; i++){
				double line = in.nextDouble();
				String result = in.next();
				if (result.equals("Loss")) {
					System.out.println("$0.00");
					win = false;
					break;
				}
				else if (result.equals("Tie")) {
					continue;
				}
				else {
					wager += winnings(line, wager);
				}
			}
			if (win) {
				// DecimalFormat df = new DecimalFormat("0.00");
				// return df.format(df).replaceAll("\\.00$", "");
				DecimalFormat df = new DecimalFormat("#,###.00");
				System.out.println("$" + df.format(wager));
			}
		}
	}
	
	double winnings(double line, double wager) {
		double mult;
		if (line > 0) {
			mult = line / 100;
		}
		else {
			mult = 100 / (line * -1);
		}
		mult = Math.floor(1000*mult) / ((double) 1000);
		double win = wager * mult;
		return Math.floor(100*win) / ((double) 100);
	}
}