import java.util.*;
public class _5AngleUnitConverter {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int n = input.nextInt();

		for (int i = 0; i < n; i++) {
			double num = input.nextDouble();
			String numNext = input.next();
			if (numNext.equals("deg")) {
				double num1 = Math.toRadians(num);
				System.out.printf("%.6f", num1);
				System.out.println();
			}
			else if (numNext.equals("rad")) {
				double num2 = Math.toDegrees(num);
				System.out.printf("%.6f", num2);
				System.out.println();
			}
		}
		input.close();
	}

}