View Compilation Error

0_0_30333949_5488\Main.java:56: 错误: 需要'('
        while %2
             ^
0_0_30333949_5488\Main.java:56: 错误: 非法的表达式开始
        while %2
              ^
0_0_30333949_5488\Main.java:56: 错误: 需要')'
        while %2
               ^
0_0_30333949_5488\Main.java:56: 错误: 非法的语句开始
        while %2
                ^
4 个错误