#include <bits/stdc++.h>
unsigned find_div(unsigned x) {
  for (unsigned i = 2; i * i <= x; i++)
    if (x % i == 0) return i;
  return x;
}
int main() {
  unsigned n;
  std::cin >> n;
  std::string str = "a";
  for (unsigned i = 1; i < n;) {
    if (str.back() == 'a') {
      if (n - i == 1) {
        str += 'b';
        i++;
      } else {
        str += "bb";
        i += 2;
      }
    } else {
      if (n - i == 1) {
        str += 'a';
        i++;
      } else {
        str += "aa";
        i += 2;
      }
    }
  }
  std::cout << str;
}
