import java.util.Scanner;

class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int K = sc.nextInt();
		int a = sc.nextInt();
		int x = 0;
		while(x < N){
			if(a != 0)
				x = sc.nextInt();
			
			if(N - x > K)x += K;
			else if(N - x < K)x += N - x - 1;
			if(N - x == 1){
				++x;
				System.out.println(x);
				break;
			}
			System.out.println(x);
			
			if(a == 0)
				x = sc.nextInt();
		}
		}
	}