package No100番台; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; public class Q103 { static InputStream is; static PrintWriter out; static String INPUT = ""; public static void main(String[] args) throws Exception { new Q103().run(); } void solver() { int n = ni(); int[] m = new int[n]; for (int i = 0; i < n; i++) { m[i] = ni(); } int a = 0; for (int i = 0; i < n; i++) { for (int j = 2; j <= m[i]; j++) { int cnt = 0; while (m[i] % j == 0) { m[i] /= j; cnt++; } a ^= (cnt % 3); } } out.println(a != 0 ? "Alice" : "Bob"); } void run() { is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes()); out = new PrintWriter(System.out); solver(); out.flush(); } static long nl() { try { long num = 0; boolean minus = false; while ((num = is.read()) != -1 && !((num >= '0' && num <= '9') || num == '-')) ; if (num == '-') { num = 0; minus = true; } else { num -= '0'; } while (true) { int b = is.read(); if (b >= '0' && b <= '9') { num = num * 10 + (b - '0'); } else { return minus ? -num : num; } } } catch (IOException e) { } return -1; } static char nc() { try { int b = skip(); if (b == -1) return 0; return (char) b; } catch (IOException e) { } return 0; } static double nd() { try { return Double.parseDouble(ns()); } catch (Exception e) { } return 0; } static String ns() { try { int b = skip(); StringBuilder sb = new StringBuilder(); if (b == -1) return ""; sb.append((char) b); while (true) { b = is.read(); if (b == -1) return sb.toString(); if (b <= ' ') return sb.toString(); sb.append((char) b); } } catch (IOException e) { } return ""; } public static char[] ns(int n) { char[] buf = new char[n]; try { int b = skip(), p = 0; if (b == -1) return null; buf[p++] = (char) b; while (p < n) { b = is.read(); if (b == -1 || b <= ' ') break; buf[p++] = (char) b; } return Arrays.copyOf(buf, p); } catch (IOException e) { } return null; } public static byte[] nse(int n) { byte[] buf = new byte[n]; try { int b = skip(); if (b == -1) return null; is.read(buf); return buf; } catch (IOException e) { } return null; } static int skip() throws IOException { int b; while ((b = is.read()) != -1 && !(b >= 33 && b <= 126)) ; return b; } static boolean eof() { try { is.mark(1000); int b = skip(); is.reset(); return b == -1; } catch (IOException e) { return true; } } static int ni() { try { int num = 0; boolean minus = false; while ((num = is.read()) != -1 && !((num >= '0' && num <= '9') || num == '-')) ; if (num == '-') { num = 0; minus = true; } else { num -= '0'; } while (true) { int b = is.read(); if (b >= '0' && b <= '9') { num = num * 10 + (b - '0'); } else { return minus ? -num : num; } } } catch (IOException e) { } return -1; } static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); } }