#include <cstdio>

using namespace std;

int n;
int a[18];
int nr;

void afisare(){
    for (int i = 0; i < n; ++ i){
        printf ("%d ", a[i]);
    }
    printf ("\n");
}

void back (int k, int i){
    if (k == n){
        afisare();
        return;
    }
    int N = nr - n + k + 1;
    for (; i <= N; ++ i){
        a[k] = i;
        back (k + 1, i + 1);
    }

}

int main()
{
    freopen ("combinari.in", "r", stdin);
    freopen ("combinari.out", "w", stdout);

    scanf ("%d %d", &nr, &n);
    back (0, 1);

    return 0;
}