foo.cc: In function ‘int main()’:
foo.cc:27:9: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation]
   27 |         else
      |         ^~~~
foo.cc:28:28: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘else’
   28 |                 cout<<"No";
      |                            ^
foo.cc:28:28: error: expected ‘}’ at end of input
foo.cc:4:11: note: to match this ‘{’
    4 | int main(){
      |           ^