[Consumers buy groceries at a main food market of Athens, Thursday, Jan. 26, 2017. Greece's prime minister on Wednesday marked two years in office, as talks with bailout lenders remain at an impasse. (AP Photo/Yorgos Karahalis)]BRUSSELS (AP) — Greece and its international creditors failed Thursday to bridge their differences and move toward finishing an important review of the bailout program that is keeping the country's economy afloat.