#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, i;
  char ch[4];
  ch[0] = 'a';
  ch[1] = 'a';
  ch[2] = 'b';
  ch[3] = 'b';
  while (~scanf("%d", &n)) {
    for (i = 0; i < n; i++) cout << ch[i % 4];
    cout << endl;
  }
  return 0;
}
