#include <bits/stdc++.h>
using namespace std;
int n;
int vect[2005], ans[2005];
int main() {
  cin >> n;
  if (n == 1)
    cout << "a";
  else if (n == 2)
    cout << "aa";
  else if (n == 3)
    cout << "aab";
  else {
    string s;
    s += "ab";
    for (int i = 2; i < n; i++) {
      if (s[i - 2] == 'a')
        s += 'b';
      else if (s[i - 2] == 'b')
        s += 'a';
    }
    cout << s;
  }
  return 0;
}
