public class AgeOfJava {
	public static void main(String[] args) {
		int daysPerYear = 365;
		int birthYear = 1995;
		int currentYear = 2013;
		int birthDay = 143;
		int currentDay = 253;
		int year = currentYear - birthYear;
		double age = year + (currentDay - birthDay) / (double) daysPerYear;
		System.out.printf("Java \u5DF2\u7ECF %.2f \u5C81\u4E86\n", age);
	}
}