#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;
int main() {
  int n;
  cin >> n;
  string ans = "";
  char mod[5] = {'a', 'a', 'b', 'b'};
  while (n--) {
    ans += mod[n % 4];
  }
  cout << ans << endl;
  return 0;
}
