#include <bits/stdc++.h>
using namespace std;
string s = "abbaabbaabba";
int main() {
  int n, i;
  scanf("%d", &n);
  for (i = 0; i + 12 <= n; i += 12) cout << s;
  if (n % 12 != 0) cout << s.substr(0, n % 12) << endl;
  return 0;
}
