#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  int n;
  cin >> n;
  string ans;
  for (int i = 0; i < n; ++i) {
    int test = i % 4;
    if (test < 2)
      ans.push_back('a');
    else
      ans.push_back('b');
  }
  cout << ans << endl;
  return 0;
}
