foo.cc: In function 'int main()':
foo.cc:14:29: error: expected ';' before 'else'
   14 |                  cout<<"Yes"
      |                             ^
      |                             ;
   15 |         else
      |         ~~~~                 
foo.cc:5:17: warning: unused variable 'cnt' [-Wunused-variable]
    5 |         int y=0,cnt=0,x=30;
      |                 ^~~

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