View Compilation Error

0_0_38446140_30224.cpp: In function 'int main()':
0_0_38446140_30224.cpp:42:2: error: expected ';' before 'while'
  while(read(n)|read(k)) Estimation();
  ^
0_0_38446140_30224.cpp: At global scope:
0_0_38446140_30224.cpp:44:2: error: expected unqualified-id before '/' token
 }/fhgh
  ^