{"raw_statement":[{"iden":"problem statement","content":"A string of length $6$ consisting of lowercase English letters is said to be coffee-like if and only if its $3$\\-rd and $4$\\-th characters are equal and its $5$\\-th and $6$\\-th characters are also equal.  \nGiven a string $S$, determine whether it is coffee-like."},{"iden":"constraints","content":"*   $S$ is a string of length $6$ consisting of lowercase English letters."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$S$"},{"iden":"sample input 1","content":"sippuu"},{"iden":"sample output 1","content":"Yes\n\nIn `sippuu`, the $3$\\-rd and $4$\\-th characters are equal, and the $5$\\-th and $6$\\-th characters are also equal."},{"iden":"sample input 2","content":"iphone"},{"iden":"sample output 2","content":"No"},{"iden":"sample input 3","content":"coffee"},{"iden":"sample output 3","content":"Yes"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}