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

public class Test
{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);
      int[] arr = new int[sc.nextInt()];
      int b = 0;
      while (b<arr.length) {
        arr[b] = sc.nextInt();
        b++;
      }
      b = arr.length - 1;
      while (b>0) {
        arr[b] = arr[b] - 1;
        b--;
        }
      arr[0] = 0;
        System.out.println(Arrays.toString(arr));
    }
}