#include <bits/stdc++.h>
using namespace std;
ifstream f("data.in");
long n;
int k;
int main() {
  cin >> n;
  k = 1;
  for (int i = 0; i < n; i++) {
    if (k <= 2) cout << "a";
    if (k > 2 && k <= 4) cout << "b";
    k++;
    if (k == 5) k = 1;
  }
  return 0;
}
