#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

int n, k;

int main(){
    cin >> n >> k;

    if (k & 1){
        cout << 1;
        int b = 1;
        for (int i = 1; i <= k / 2; i ++){
            cout << ' ' << b + 2 << ' ' << b + 1;
            b += 2;
        }
        for (int i = b + 1; i <= n; i ++){
            cout << ' ' << i;
        }
    }else{
        int b = 1;
        for (int i = 1; i <= k / 2; i ++){
            cout << ' ' << b + 1 << ' ' << b;
            b += 2;
        }

        for (int i = b; i <= n; i ++){
            cout << ' ' << i;
        }
    }


}