View Compilation Error

0_0_39826833_20383.cpp: In function 'int main()':
0_0_39826833_20383.cpp:43:10: error: expected '}' at end of input
   43 |         }
      |          ^
0_0_39826833_20383.cpp:27:21: note: to match this '{'
   27 |     while(cin>>a>>b){
      |                     ^
0_0_39826833_20383.cpp:43:10: error: expected '}' at end of input
   43 |         }
      |          ^
0_0_39826833_20383.cpp:18:1: note: to match this '{'
   18 | {
      | ^