#include <bits/stdc++.h>
using namespace std;
static int n;
int main() {
  string s = "abba";
  while (scanf("%d", &n) != EOF) {
    string ans = "";
    for (int i = 0; i < n / 4; i++) ans += s;
    for (int i = 0; i < n % 4; i++) ans += s[i];
    cout << ans << endl;
  }
  return 0;
}
