View Compilation Error

0_0_39231858_4958.cpp: In function 'int main()':
0_0_39231858_4958.cpp:4:7: error: expected primary-expression before ')' token
    4 | while(){
      |       ^
0_0_39231858_4958.cpp:8:2: error: expected '}' at end of input
    8 | }
      |  ^
0_0_39231858_4958.cpp:3:1: note: to match this '{'
    3 | {int a,b;
      | ^