Aita

import java.util.Scanner;


public class Aita {
	public static void main(String[] args) {

		Scanner input = new Scanner(System.in);

		final int lautoja = input.nextInt();
		final int puoliLautoja = (lautoja>>1) + 1;
		final int ero = input.nextInt();
		
		Boolean kumpi = false;


		if ( (lautoja>>1) < ero ){
			System.out.println("QAQ");
		}
		else {

			for (int i = 0 ; i<lautoja ; i++){
				
				if (kumpi){ // 1,3,5,7... 
					System.out.print( ((i+1)>>1) + " " );
				}
				else { // 0,2,4,6...
					System.out.print( puoliLautoja + (i>>1) + " " );
				}
				kumpi = !kumpi;
				
			}

		}
	}
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED