View Compilation Error

0_0_28033455_18637.cpp:6:5: error: stray '\243' in program
     while(scanf("%hd%hd%hd", &s, &n, &m)，s+n+m){
     ^
0_0_28033455_18637.cpp:6:5: error: stray '\254' in program
0_0_28033455_18637.cpp: In function 'int main()':
0_0_28033455_18637.cpp:6:43: error: expected ')' before 's'
     while(scanf("%hd%hd%hd", &s, &n, &m)，s+n+m){
                                           ^
0_0_28033455_18637.cpp:6:48: error: expected ';' before ')' token
     while(scanf("%hd%hd%hd", &s, &n, &m)，s+n+m){
                                                ^
0_0_28033455_18637.cpp:12:1: error: expected '}' at end of input
 }
 ^