如图，若开始输入的x的值为正整数，最后输出的结果为144，则满足条件的 $x$ 的值为____．

    Every school has its own rules. How many1 are there in your school? At some schools, the students2to wear uniforms on school days. But many students don't want to wear the school uniforms. They think the uniforms are the ugly3. But the school doesn't allow students to wear4own clothes at school. So some students draw cartoons or other famous singers on their5. They think it is very6 that all the students wear the same. It isn't very good that teachers and students are wearing7 . But most of the students8the rules. What do you think9? Do you10your school uniforms?