#include <bits/stdc++.h>
using namespace std;
int main() {
  int n = 0, m = 0, l = 0;
  string s1 = "ab", s2 = "ba", s = "";
  cin >> n;
  m = n / 2;
  for (int i = 0; i < m; i++) {
    if (l == 0) {
      s += s1;
      l = 1;
    } else {
      s += s2;
      l = 0;
    }
  }
  if (n % 2 == 1) {
    if (l == 0) {
      s += 'a';
    } else {
      s += 'b';
    }
  }
  cout << s;
}
