#include <bits/stdc++.h>
using namespace std;
int n;
char a[3] = {0};
int main() {
  ios::sync_with_stdio(false);
  cin >> n;
  for (int i = 0; i < n; ++i) {
    if (a[(i + 1) % 3] != 'a')
      a[i % 3] = 'a';
    else
      a[i % 3] = 'b';
    cout << a[i % 3];
  }
  cout << endl;
  return 0;
}
