The nominal head of state is the President of the Republic, who is elected by the Parliament for a five-year term. According to the Constitution, executive power is exercised by the President and the Government. However, the Constitutional amendment of 1986 curtailed the President's duties and powers to a significant extent, rendering the position largely ceremonial; most political power is thus vested in the Prime Minister, Greece's head of government. The position is filled by the current leader of the political party that can obtain a vote of confidence by the Parliament. The President of the Republic formally appoints the Prime Minister and, on his recommendation, appoints and dismisses the other members of the Cabinet.