View Compilation Error

0_0_38856114_5975.cpp: In function 'int main()':
0_0_38856114_5975.cpp:6:14: error: 'a' was not declared in this scope
    6 |         cin>>a>>b;
      |              ^
0_0_38856114_5975.cpp:6:17: error: 'b' was not declared in this scope
    6 |         cin>>a>>b;
      |                 ^