View Compilation Error

0_0_31207839_9899.cpp:8:1: error: stray '\243' in program
 while(scanf("%d%d%d",&a,&b,&n)!=EOF）
 ^
0_0_31207839_9899.cpp:8:1: error: stray '\251' in program
0_0_31207839_9899.cpp: In function 'int main()':
0_0_31207839_9899.cpp:9:1: error: expected ')' before '{' token
 {
 ^
0_0_31207839_9899.cpp: At global scope:
0_0_31207839_9899.cpp:19:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_31207839_9899.cpp:20:1: error: expected declaration before '}' token
 }
 ^