import java.util.Scanner;

class Sep9 {
	public static void main(String[] args) {

		Scanner kb = new Scanner(System.in);

		// System.out.println("value in kb: " + kb);

		System.out.print("Enter age: ");
		//System.out.print("Enter age: \n");
		
		int age = kb.nextInt();

		System.out.printf("age: %d\n", age); 

		System.out.print("Enter gpa: ");

		double gpa = kb.nextDouble();

		System.out.printf("age: %d, gpa: %.2f\n", age, gpa); 	

		/* Arithmetic operators */

		int sum = 3 + 5;
		int difference = 5 - 3;
		int product = 5 * 3;

		int quotient = 5 / 2;
		System.out.printf("quotient: %d\n", quotient);

		double quotient2 = 5 / 2;
		System.out.printf("quotient: %f\n", quotient2);

		double quotient3 = 5 / 2.0;
		System.out.printf("quotient: %.1f\n", quotient3);

		System.out.println("Enter millitary hour, a space, followed by min");
		int mHour = kb.nextInt();
		int mMin = kb.nextInt();

		int oHour = mHour % 12;
		
		System.out.printf("%d:%02d -> %d:%02d\n", mHour, mMin, oHour, mMin);
		

	}
}