#include <stdio.h>
#include <stdlib.h>

void print_set(int* x, int n);
void procedure_a(int* x, int i, int n, int k, int s);

int main() {
  int n, k, i;
  int* x;
  scanf("%d %d", &n, &k);
  x = malloc(sizeof(int)*n);
  if(x == NULL) exit(EXIT_FAILURE);
  for(i=0; i<n; ++i) x[i] = 0;
  procedure_a(x,0,n,k,0);
  free(x);
  return 0;
}

void procedure_a(int* x, int i, int n, int k, int s) {
  if(s+n-i < k || s > k) return;
  if(i==n) print_set(x, n);
  else {
    procedure_a(x, i+1, n, k, s);
    x[i]=1;
    procedure_a(x, i+1, n, k, s+1);
    x[i]=0;
  }
  return;
}

void print_set(int* x, int n) {
  int i;
  for(i=0; i<n; ++i) {
    if(x[i]==1) {
      printf("%d ", i+1);
    }
  }
  printf("\n");
  return;
}