View Compilation Error

0_0_38663373_21641.cpp: In function 'int main()':
0_0_38663373_21641.cpp:14:13: error: 'input' was not declared in this scope; did you mean 'int'?
   14 | #define cin input
      |             ^~~~~
0_0_38663373_21641.cpp:76:5: note: in expansion of macro 'cin'
   76 |     cin>>t;
      |     ^~~
0_0_38663373_21641.cpp:15:14: error: 'output' was not declared in this scope
   15 | #define cout output
      |              ^~~~~~
0_0_38663373_21641.cpp:97:9: note: in expansion of macro 'cout'
   97 |         cout<<res<<endl;
      |         ^~~~