#include <bits/stdc++.h>
using namespace std;
int main() {
  long n;
  cin >> n;
  for (int i = 0; i < n; i++) {
    int x = i % 4;
    if (x == 0 || x == 1) {
      cout << 'a';
    } else
      cout << 'b';
  }
  cout << endl;
}
