#include <bits/stdc++.h>
using namespace std;
char f(char a) {
  if (a == 'a') return 'b';
  return 'a';
}
int main() {
  long long c;
  cin >> c;
  string p = "";
  char a = 'a';
  bool x = false;
  while (c != 0) {
    c--;
    p += a;
    if (x) a = f(a);
    x = not x;
  }
  cout << p << endl;
}
