Complex sentence: At the time Greece had one lottery whose returns were divided between funding the country's archaeological endeavors and to the Greek Navy, but when it came time to print the tickets for the lottery, the effort was stymied.
Split into simpler sentences: At the time Greece had one lottery who's returns were divided between funding the country's archaeological endeavors and to the Greek Navy. When it came time to print the tickets for the lottery however, the effort was stymied.