View Compilation Error

0_0_39337381_12343\Main.java:19: 错误: 非法字符: '\uff08'
                System.out.println(a[（n-1）%49]);
                                     ^
0_0_39337381_12343\Main.java:19: 错误: 需要')'
                System.out.println(a[（n-1）%49]);
                                      ^
0_0_39337381_12343\Main.java:19: 错误: 非法字符: '\uff09'
                System.out.println(a[（n-1）%49]);
                                         ^
0_0_39337381_12343\Main.java:19: 错误: 不是语句
                System.out.println(a[（n-1）%49]);
                                       ^
4 个错误