View Compilation Error

0_0_1745355_17102\Main.java:10: 未结束的字符串字面值
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in"));  
                                                                                      ^
0_0_1745355_17102\Main.java:11: 需要 ')'
		String str = null;
                                 ^
2 错误