#include <bits/stdc++.h>
using namespace std;
int main() {
  char a[] = "aabb";
  int n;
  while (scanf("%d", &n) != EOF) {
    int num = n / 4;
    int left = n % 4;
    for (int i = 1; i <= num; i++)
      for (int j = 0; j < 4; j++) printf("%c", a[j]);
    for (int i = 0; i < left; i++) printf("%c", a[i]);
    printf("\n");
  }
  return 0;
}
