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