{"raw_statement":[{"iden":"problem statement","content":"You are given a string $S$ of length $N$ consisting of lowercase English letters, `,`, and `\"`. It is guaranteed that $S$ contains an even number of `\"`.\nLet $2K$ be the number of `\"` in $S$. For each $i=1,2,\\ldots,K$, the characters from the $(2i-1)$\\-th `\"` through the $(2i)$\\-th `\"` are said to be **enclosed**.\nYour task is to replace each `,` in $S$ that is **not** an enclosed character with `.` and print the resulting string."},{"iden":"constraints","content":"*   $N$ is an integer between $1$ and $2\\times 10^5$, inclusive.\n*   $S$ is a string of length $N$ consisting of lowercase English letters, `,`, and `\"`.\n*   $S$ contains an even number of `\"`."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$N$\n$S$"},{"iden":"sample input 1","content":"8\n\"a,b\"c,d"},{"iden":"sample output 1","content":"\"a,b\"c.d\n\nIn $S$, `\"a,b\"` are enclosed characters, and `c,d` are not.\nThe `,` in $S$ that is not an enclosed character is the seventh character from the left in $S$, so replace that character with `.` to get the answer."},{"iden":"sample input 2","content":"5\n,,,,,"},{"iden":"sample output 2","content":"....."},{"iden":"sample input 3","content":"20\na,\"t,\"c,\"o,\"d,\"e,\"r,"},{"iden":"sample output 3","content":"a.\"t,\"c.\"o,\"d.\"e,\"r."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}