#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n;
  cin >> n;
  for (int i = 0; i < n / 4; i++) {
    cout << "bbaa";
  }
  if (n % 4 == 1) {
    cout << "b";
  }
  if (n % 4 == 2) {
    cout << "bb";
  }
  if (n % 4 == 3) {
    cout << "bba";
  }
}
