import java.util.Scanner;

class Sep13 {
	public static void main(String[] args) {
		Scanner kb = new Scanner(System.in);

		System.out.println("Please enter an integer:");
		int input = kb.nextInt();

		boolean inputIsEven = isEven(input);
		System.out.println("is even: " + inputIsEven);

		// Math Class methods
		System.out.println("Please enter a decimal number");
		double input2 = kb.nextDouble();

		double sqRtResult = Math.sqrt(input2);
		System.out.println("square root: " + sqRtResult);
	

		// Get first char from string
		String str1 = "hello";

		char firstInitial = str1.charAt(0);		
	
	}

	/*
	 write method named isEven that takes an integer
	as an argument and returns true if the integer is even;
	otherwise it returns false.
	*/


	static boolean isEven(int x) {
		if (x % 2 == 0) {
			return true;
		}
		else {
			return false;
		}
	}

}