{"raw_statement":[{"iden":"problem statement","content":"Takahashi wants to print a document with $N$ pages double-sided, where two pages of data can be printed on one sheet of paper.\nAt least how many sheets of paper does he need?"},{"iden":"constraints","content":"*   $N$ is an integer.\n*   $1 \\leq N \\leq 100$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$N$"},{"iden":"sample input 1","content":"5"},{"iden":"sample output 1","content":"3\n\nBy printing the $1$\\-st, $2$\\-nd pages on the $1$\\-st sheet, $3$\\-rd and $4$\\-th pages on the $2$\\-nd sheet, and $5$\\-th page on the $3$\\-rd sheet, we can print all the data on $3$ sheets of paper."},{"iden":"sample input 2","content":"2"},{"iden":"sample output 2","content":"1"},{"iden":"sample input 3","content":"100"},{"iden":"sample output 3","content":"50"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}