#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  char ar[n];
  ar[0] = 'a';
  ar[1] = 'a';
  if (n == 1) {
    cout << ar[0] << "\n";
    return 0;
  }
  if (n == 2) {
    cout << ar[0] << ar[0] << "\n";
    return 0;
  }
  for (int i = 2; i < n; i++) {
    if (ar[(i + 1) - 3] == 'a') {
      ar[i] = 'b';
    } else
      ar[i] = 'a';
  }
  for (int i = 0; i < n; i++) cout << ar[i];
  return 0;
}
