#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  long long n;
  cin >> n;
  if (n == 1)
    cout << 'a';
  else if (n == 2)
    cout << "aa";
  else {
    for (int i = 1; i <= n; i += 2) {
      if (i == n)
        if (((i - 1) / 2) % 2 == 0)
          cout << "a";
        else
          cout << "b";
      else {
        if (((i - 1) / 2) % 2 == 0)
          cout << "aa";
        else
          cout << "bb";
      }
    }
  }
  return 0;
}
