View Compilation Error

0_0_35707900_27531.c
0_0_35707900_27531.c(6) : error C2065: “while（scanf（”: 未声明的标识符
0_0_35707900_27531.c(6) : error C2143: 语法错误 : 缺少“;”(在“字符串”的前面)
0_0_35707900_27531.c(6) : error C2065: “a）”: 未声明的标识符
0_0_35707900_27531.c(7) : error C2065: “EOF）”: 未声明的标识符
0_0_35707900_27531.c(7) : error C2146: 语法错误: 缺少“;”(在标识符“b”的前面)
0_0_35707900_27531.c(7) : error C2065: “b”: 未声明的标识符
0_0_35707900_27531.c(7) : error C2065: “a”: 未声明的标识符
0_0_35707900_27531.c(8) : error C2065: “printf（”: 未声明的标识符
0_0_35707900_27531.c(8) : error C2143: 语法错误 : 缺少“;”(在“字符串”的前面)
0_0_35707900_27531.c(8) : error C2059: 语法错误:“)”
0_0_35707900_27531.c(8) : error C2065: “b”: 未声明的标识符