View Compilation Error

0_0_39033812_16223.cpp: In function 'int main()':
0_0_39033812_16223.cpp:42:39: error: 'M' was not declared in this scope
   42 |                 cout<<"Case "<<++casM<M
      |                                       ^
0_0_39033812_16223.cpp:42:34: error: 'casM' was not declared in this scope; did you mean 'cas'?
   42 |                 cout<<"Case "<<++casM<M
      |                                  ^~~~
      |                                  cas
0_0_39033812_16223.cpp:43:10: error: expected '}' at end of input
   43 |         }
      |          ^
0_0_39033812_16223.cpp:12:11: note: to match this '{'
   12 | int main(){
      |           ^