View Compilation Error

0_0_39799867_16801.cpp: In function 'int main()':
0_0_39799867_16801.cpp:45:28: error: 'op1' was not declared in this scope
   45 |                 cin>>x>>y>>op1>>op2;
      |                            ^~~
0_0_39799867_16801.cpp:45:33: error: 'op2' was not declared in this scope
   45 |                 cin>>x>>y>>op1>>op2;
      |                                 ^~~