According to the 1956 Constitution, who could be the head of state of Pakistan?

According to the 1956 Constitution, who could be the head of state of Pakistan?

سن 1956 کے آئین کے مطابق ، ریاست پاکستان کا سربراہ کون ہوسکتا ہے؟
Explanation

According to the 1956 Constitution of Pakistan, only a Muslim could be elected as the President (Head of State).

This was the first constitution of Pakistan and it officially declared Pakistan as an Islamic Republic.