#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int n;
  cin >> n;
  string x = "abba";
  if (n <= 4) {
    for (int i = 0; i < n; i++) {
      cout << x[i];
    }
    cout << endl;
  } else {
    for (int i = 0; i < n / 4; i++) {
      cout << "abba";
    }
    for (int i = 0; i < n % 4; i++) {
      cout << x[i];
    }
    cout << endl;
  }
}
