import java.text.DecimalFormat;
import java.util.Scanner;

public class S7_03 {
	static int n;
	static String c;
	static double h;

	public static void main(String[] args) {
		DecimalFormat df = new DecimalFormat("0.00");
		Scanner sc = new Scanner(System.in);
		n = sc.nextInt();
		while (n-- > 0) {
			c = sc.next();
			h = sc.nextDouble();
			if (c.equals("F")) {
				System.out.println(df.format(h * 1.09));
			} else {
				System.out.println(df.format(h / 1.09));
			}
		}
	}
}
#include<iostream>
#include<iomanip>
using namespace std;
int main(){
	int n;
	double high;
	char c;
	cin>>n;
	while(n--){
		cin>>c>>high;
		if(c=='M'){
			cout<<setprecision(2)<<fixed<<high/1.09<<endl;
		}
		else cout<<setprecision(2)<<fixed<<high*1.09<<endl;
	}
	return 0;
}