What is the output of the code snippet given below?

char arr$[5]=\{\text{'}$a$\text{'},\text{'}$e$\text{'},\text{'}$i$\text{'},\text{'}$o$\text{'},\text{'}$u$\text{'}\}$;

char$*$ ptr $=$ arr;

ptr $=$ ptr $+4$;

arr$[4]=\text{'}$y$\text{'}$;

cout $<<*$ptr $<<$ endl;