View Compilation Error

0_0_14464512_21911.cpp:4:2: error: stray '\243' in program
  char a,b,c，x,y,z;
  ^
0_0_14464512_21911.cpp:4:2: error: stray '\254' in program
0_0_14464512_21911.cpp: In function 'int main()':
0_0_14464512_21911.cpp:4:14: error: expected initializer before 'x'
  char a,b,c，x,y,z;
              ^
0_0_14464512_21911.cpp:5:30: error: 'c' was not declared in this scope
  while(scanf("%c%c%c",&a,&b,&c)!=EOF)
                              ^
0_0_14464512_21911.cpp:8:3: error: 'x' was not declared in this scope
   x=a<b?a:b;
   ^
0_0_14464512_21911.cpp:10:3: error: 'z' was not declared in this scope
   z=a>b?a:b;
   ^
0_0_14464512_21911.cpp:12:3: error: 'y' was not declared in this scope
   y=a+b+c-x-z;
   ^