#include <bits/stdc++.h>
using namespace std;
int main() {
  int i, n, a[123456], b, c;
  cin >> n;
  for (i = 1; i <= n; i++) {
    if (i % 4 == 1 || i % 4 == 2)
      cout << "a";
    else
      cout << "b";
  }
  return 0;
}
