#include <cstdio>
//FILE *f=fopen("pb3.in","r");
FILE *f=fopen("combinari.in","r");
FILE *g=fopen("combinari.out","w");
using namespace std;
int v[20],used[20],vect[20],n,m;
void afish()
{
    for(int i=1;i<=m;i++)fprintf(g,"%d ",v[i]);fprintf(g,"\n");
}
void back(int k)
{
    for(v[k]=1;v[k]<=n;v[k]++)
        if(!used[v[k]]&&v[k]>v[k-1])
        {
            used[v[k]]=1;
            if(k<m)
                back(k+1);
            else
                afish();
            used[v[k]]=0;
        }
}

int main()
{
    fscanf(f,"%d%d",&n,&m);
    //for(int i=1;i<=n;i++)fscanf(f,"%d",&vect[i]);
    back(1);
    return 0;
}