using System;

namespace darkinjector {
	class Program {
		static void Main(string[] args) {
			bool[] seats = { false, false, false, false, false, false, false, false, false, false };
			int count = 0;
			while (count < seats.Length) {
				Console.Write("B, E or X: ");
				string input = Console.ReadLine();
				if (input.Length == 0) continue;
				char c = input.ToUpper()[0];
				int start;
				if (c == 'B')
					start = 0;
				else if (c == 'E')
					start = 4;
				else if (c == 'X')
					break;
				else
					continue;
				if (start == -1) break;
				while (seats[start]) start = (start + 1) % seats.Length;
				seats[start] = true;
				string seatName = start >= 4 ? "Economy" : "Business";
				Console.WriteLine("You were given seat {0} ({1})", start, seatName);
				count++;
			}
			for (int i = 0; i < seats.Length; i++) {
				Console.WriteLine(seats[i]);
			}
		}
	}
}