View Compilation Error

0_0_16372224_24122.cpp:5:1: error: stray '\243' in program
 while（~scanf("%d",&a))
 ^
0_0_16372224_24122.cpp:5:1: error: stray '\250' in program
0_0_16372224_24122.cpp: In function 'int main()':
0_0_16372224_24122.cpp:5:8: error: expected '(' before '~' token
 while（~scanf("%d",&a))
        ^