View Compilation Error

0_0_33295175_10858.cpp: In function 'int main()':
0_0_33295175_10858.cpp:4:3: error: expected ',' or ';' before 'while'
   while (cin>>n && n!=0)
   ^
0_0_33295175_10858.cpp:17:1: error: expected '}' at end of input
 }  
 ^