#include <bits/stdc++.h>
using namespace std;
int n, k = 1;
int main() {
  cin >> n;
  while (n--) {
    if (k > 0 && k < 3) {
      cout << 'a';
      k++;
      if (k == 3) k = -1;
    } else
      cout << 'b', k++;
  }
}
