Complex sentence: Hacohen studied at the Netiv Meir yeshiva high school and afterwards at Yeshivat Har Etzion and Yeshivat HaKotel and served in the Israel Defense Forces through the hesder program combining yeshiva studies with army service.
Split into simpler sentences: Hacohen studied at Netiv Meir yeshiva high school and afterwards at Yeshivat Har Etzion and Yeshivat HaKotel. He served in the Israel Defense Forces in a hesder program combining yeshiva studies with army service.