View Compilation Error

0_0_39802442_17449.cpp: In function 'int main()':
0_0_39802442_17449.cpp:12:59: error: expected ')' before ';' token
   12 |         while(std::cin>>year>>xeigang>>month>>xeigang>>day;){
      |              ~                                            ^
      |                                                           )
0_0_39802442_17449.cpp:12:60: error: expected primary-expression before ')' token
   12 |         while(std::cin>>year>>xeigang>>month>>xeigang>>day;){
      |                                                            ^