#include <bits/stdc++.h>
using namespace std;
int main() {
  long long x;
  cin >> x;
  long long n = x / 4;
  string name = "aabb";
  while (n) {
    cout << name;
    n--;
  }
  x = x % 4;
  for (int i = 0; i < x; ++i) {
    cout << name[i];
  }
  cout << endl;
}
