import java.util.Scanner;

class L26 {

	public static void main(String[] args) {

		System.out.println("Exam 2");
		System.out.println("------");

		Scanner kb = new Scanner(System.in);

		System.out.println("Please enter your age as an integer");
		int age = kb.nextInt();

		String status = (age < 21) ? "underage" : "approved";

		System.out.println("status: " + status);

		String[] arr1 = new String[10];

		for(int i = 0; i < arr1.length; i++) {
			System.out.println("Please enter a favorite baby name");
			String name = kb.next();
			arr1[i] = name;
		}

		int[] arr2 = {2,4,6,7,8,10};

		printArray(arr1);
		
		boolean result = containsAnOddElement(arr2);
		System.out.println("Contains an odd element: " + result);

		int[][] matrix = {{1,2,3},{4,5,6,7},{8,9}};

		int result2 = sum(matrix);
		System.out.println("sum: " + result2);



	} // end of main

	static void printArray(String[] arr) {
		for(int i = 0; i < arr.length; i++) {
			String name = arr[i];
			System.out.println(name);
		}
	}

	static boolean containsAnOddElement(int[] arr) {
		for(int i = 0; i < arr.length; i++) {
			int elm = arr[i];
			if(elm % 2 == 1) {
				return true;
			}
		}
		return false;
	}

	static int sum(int[][] matrix) {
		int sum = 0;
		for(int i = 0; i < matrix.length; i++) {
			int[] arr = matrix[i];
			for(int j = 0; j < arr.length; j++) {
				sum = sum + arr[j];
			}
		}
		return sum;
	}

} // end of class