View Compilation Error

0_0_17429543_4361.cpp:4:1: error: stray '\243' in program
 int main（）{
 ^
0_0_17429543_4361.cpp:4:1: error: stray '\250' in program
0_0_17429543_4361.cpp:4:1: error: stray '\243' in program
0_0_17429543_4361.cpp:4:1: error: stray '\251' in program
0_0_17429543_4361.cpp:5:2: error: expected primary-expression before 'int'
  int a;
  ^
0_0_17429543_4361.cpp:5:2: error: expected '}' before 'int'
0_0_17429543_4361.cpp:5:2: error: expected ',' or ';' before 'int'
0_0_17429543_4361.cpp:6:1: error: 'cin' does not name a type
 cin>>a;
 ^
0_0_17429543_4361.cpp:7:1: error: 'cout' does not name a type
 cout<<a;
 ^
0_0_17429543_4361.cpp:8:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_17429543_4361.cpp:9:1: error: expected declaration before '}' token
 }
 ^