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import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());
        int[] help = new int[n];
        int mid = n / 2;
        if(n % 2 == 0){
            int k = 0;
            int temp = n;
            while (k < mid){
                help[mid + k] = temp--;
                help[mid - 1 - k] = temp--;
                k++;
            }
        }else{
            int k = 1;
            int temp = n;
            help[mid] = temp--;
            while (k <= mid){
                help[mid + k] = temp--;
                help[mid - k] = temp--;
                k++;
            }
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append(help[i]).append(" ");
        }
        System.out.println(sb.toString().trim());
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