#include <cstdio>
using namespace std;
int x[20],n,c,nr;
void combinari(int k)
{

    if(k==c+1)
    {
         for(int i=1;i<=c;i++)
            printf("%d ",x[i]);
         printf("\n");
    }
    else
        for(int i=1;i<=n;i++)
        {
            x[k]=i;
            if(x[k]>x[k-1])
                combinari(k+1);
        }

}
int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    x[0]=0;
    scanf("%d%d", &n, &c);
    combinari(1);
    return 0;
}