#include <stdio.h>

using namespace std;

int n ,h;
int sol[201];
bool vis[201];
void explore(int k ,int y) {
  if(k == h) {
    for(int i = 0; i < h; i++) {
      printf("%d",sol[i]);
    }
    printf("/n");
  } else{
    for(int i = y + 1; i <= n; i++) {
      if(vis[i] == 0) {
        sol[k] = i;
        vis[i] = 1;
        explore(k+1 ,i);
        vis[i] = 0;
      }
    }
  }
}

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