Complex sentence: The number of seats in Parliament were proposed to be raised from 550 to 600 while the president was proposed to be given more control over appointments to the Supreme Board of Judges and Prosecutors (HSYK).
Split into simpler sentences: The number of seats in Parliament were proposed to be raised from 550 to 600. Also, the president was proposed to be given more control over appointments to the Supreme Board of Judges and Prosecutors (HSYK).