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#include <iostream>
  #include <stdio.h>
  using namespace std;

  int powerOf(int number) {
    int count = 0;
    while (number > 0) {
      number &= number - 1;
      count++;
    }
    return count;
  }

  int main() {
    int expectedPower;
    cin >> expectedPower;

    int lastSound = 0;
    int totalPower = 0;
    while (totalPower < expectedPower) {
      lastSound++;
      totalPower += powerOf(lastSound);
    }

    int surplusPower = totalPower - expectedPower;

    printf("%d\n", surplusPower == 0 ? lastSound : lastSound - 1);
    for (int sound = lastSound; sound > 0; sound--) {
      int power = powerOf(sound);
      if (power > surplusPower) {
        printf("%d ", sound);
      } else {
        surplusPower -= power;
      }
    }

    return 0;
  }