#include <cstdio>
int n;

inline int bit(int x) {
  return 1 << (x - 1);
}

int main() {
  freopen("submultimi.in", "r", stdin);
  freopen("submultimi.out", "w", stdout);
  
  scanf("%d", &n);
  for (int mask = 1; mask < (1 << n); mask++) {
    for (int i = 1; i <= n; i++) {
      if (mask & bit(i)) {
        printf("%d ", i);
      }
    }
    printf("\n");
  }
  return 0;
}