#include <cstdio>
#include <vector>

using namespace std;

int n, m;
int viz[10];
int sol[10];

void citire()
{
    scanf("%d %d", &n, &m);
}

void afisare()
{
    for(int i = 1; i <= m; i++)
    {
        printf("%d ", sol[i]);
    }
    printf("\n");
}

void backtracking(int k)
{
    if(k == m)
    {
        afisare();
    }
    else
    {
        for(int i = sol[k] + 1; i <= n; i++)
        {
            if(viz[i] == 0)
            {
                viz[i] = 1;
                sol[k + 1] = i;
                backtracking(k + 1);
                viz[i] = 0;
            }
        }
    }
}

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

    citire();
    backtracking(0);

    return 0;
}