#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n;
  cin >> n;
  if (n == 1)
    cout << "a" << endl;
  else {
    string str = "";
    str += "aa";
    for (long long i = 2; i < n; i++) {
      if (str[i - 1] == 'a' && str[i - 2] == 'a')
        str += 'b';
      else if (str[i - 1] == 'b' && str[i - 2] == 'b')
        str += 'a';
      else {
        if (str[i - 1] == 'a')
          str += 'a';
        else
          str += 'b';
      }
    }
    cout << str << endl;
  }
  return 0;
}
