public class functions {
	public static byte METAL_MINE = 0;
	public static byte CRYSTAL_MINE = 1;
	public static byte DEUT_MINE = 2;
	public static byte SOLAR_PLANT = 3;
	public static byte FUSION_REACTOR = 4;
	//Emulated global variables
	public static byte METAL_MINE_LEVEL = 17;
	public static byte CRYSTAL_MINE_LEVE = 23;
	public static byte DEUT_MINE_LEVEL = 13;
	public static byte SOLAR_PLANT_LEVEL = 12;
	public static byte FUSION_REACTOR_LEVEL = 6;
	public static byte ENERGY_TECHNOLOGY_LEVEL = 7;
	
	public static void main(String[] args) {
	    System.out.print(MineProductionPerHour(METAL_MINE));
	}
	
	public static long MineProductionPerHour(byte MineType){
		switch (MineType) {
		case 0:
			return new Double(30 * METAL_MINE_LEVEL * Math.pow(1.1 ,METAL_MINE_LEVEL)).longValue();
		}
	return 0;
	}
}