#include <bits/stdc++.h>
int main() {
  int n, i, a, b, ai, bi;
  scanf("%d", &n);
  if (n == 1)
    printf("a\n");
  else if (n == 2)
    printf("aa\n");
  else {
    i = 1;
    a = 1;
    b = 0;
    while (i <= n) {
      for (ai = 1; ai <= 2 && i <= n; ai++, i++) printf("a");
      b = a + 1;
      for (bi = 1; bi <= 2 && i <= n; bi++, i++) printf("b");
      a = b + 1;
    }
    printf("\n");
  }
}
