View Compilation Error

0_0_36741642_27080.cpp: In function 'int main()':
0_0_36741642_27080.cpp:6:2: error: expected initializer before 'while'
  while(cin>>n){
  ^
0_0_36741642_27080.cpp:23:1: error: expected '}' at end of input
 }
 ^