Chamber of Deputies Speaker Laura Boldrini (C L) announces the winning of Giorgio Napolitano in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

Silvio Berlusconi (front L), the leader of the freedom of people, applauds the winning of Giorgio Napolitano in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

 Italian Prime Minister Mario Monti (L) talks with other deputies in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

Silvio Berlusconi (front L), the leader of the freedom of people, waves to media in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

Staffs working for the parlament count the votes in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

Italy's center-left leader Pier Luigi Bersani (C L) is seen in parlament in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

Chamber of Deputies Speaker Laura Boldrini (C) presides over the voting in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)

 Silvio Berlusconi (3rd front R), the leader of the freedom of people, appears in parlament in Rome, Italy, on April 20, 2013. Italian President Giorgio Napolitano on Saturday won election for a second mandate in a move to solve Italy's political impasse. (Xinhua/Xu Nizhi)