CondenseArrayToNumber

package Lab;

import java.util.Arrays;
import java.util.Scanner;

public class CondenseArrayToNumber {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int[] array = Arrays.stream(scanner.nextLine().split(" ")).
                mapToInt(e -> Integer.parseInt(e)).toArray();

        if (array.length == 1) {
            System.out.println(array[0]);
        } else {
            while (array.length != 1) {
                int[] condensedArr = new int[array.length - 1];
                for (int i = 0; i < array.length - 1; i++) {
                    condensedArr[i] = array[i] + array[i + 1];
                }
                array=condensedArr;
            }
            System.out.println(array[0]);

        }

    }
}