#include <cstdio>

using namespace std;

int sol[19];
int n,p;

void afis()
{
    for(int i = 0; i < p;i++)
    {
        printf("%d ", sol[i]);
    }
    printf("\n");
}
int viz[10];
void back(int k)
{
    if (k == p)
    {
        afis();
        return;
    }

    for( int v = ( k==0 )? 1 : sol[k - 1] + 1; v <= n; v++ )
    {
            sol[k] =v;
            back(k+1);
    }

}


int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    scanf("%d %d",&n,&p);
    back(0);
    return 0;
}