62. If a publishing company has headquarters in both the United States and Germany and publishes the same book in both countries, it is likely that the 10-digit ISBN for the book will be identical except for the first and last digits (because the first digit for U.S. publications is 0 and the first digit for German publications is 3). If the last digit of the U.S. edition is 1, what is the last digit for the German publication?