View Compilation Error

0_0_27059557_32419.cpp: In function 'int main()':
0_0_27059557_32419.cpp:4:31: error: expected ')' before '!' token
 while(scanf("%c%c%c",&a,&b,&c)!EOF)
                               ^
0_0_27059557_32419.cpp:4:35: error: expected ';' before ')' token
 while(scanf("%c%c%c",&a,&b,&c)!EOF)
                                   ^
0_0_27059557_32419.cpp:23:1: error: expected '}' at end of input
 }
 ^