View Compilation Error

0_0_39634165_19286.cpp: In function 'int main()':
0_0_39634165_19286.cpp:5:20: error: expected ')' before ';' token
    5 |     while(cin>>a>>b;){
      |          ~         ^
      |                    )
0_0_39634165_19286.cpp:5:21: error: expected primary-expression before ')' token
    5 |     while(cin>>a>>b;){
      |                     ^