#include <cstdio>

using namespace std;

int N, K;
int C[20];

void afis()
{
    for (int i = 1; i <= K; ++i)
        printf("%d ", C[i]);
    printf("\n");
}

void comb(const int pz)
{
    if (pz > K)
        return afis();
    for (int i = C[pz - 1] + 1; i <= N; ++i)
    {
        C[pz] = i;
        comb(pz + 1);
    }
}

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

	scanf("%d %d", &N, &K);

	comb(1);

	fclose(stdout);
    return 0;
}