{"raw_statement":[{"iden":"problem statement","content":"We have a long seat of width $X$ centimeters. There are many people who wants to sit here. A person sitting on the seat will always occupy an interval of length $Y$ centimeters.\nWe would like to seat as many people as possible, but they are all very shy, and there must be a gap of length at least $Z$ centimeters between two people, and between the end of the seat and a person.\nAt most how many people can sit on the seat?"},{"iden":"constraints","content":"*   All input values are integers.\n*   $1 \\leq X, Y, Z \\leq 10^5$\n*   $Y+2Z \\leq X$"},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$X$ $Y$ $Z$"},{"iden":"sample input 1","content":"13 3 1"},{"iden":"sample output 1","content":"3\n\nThere is just enough room for three, as shown below:\n\n![image](https://img.atcoder.jp/abc078/4a35302937c3cbc2f625156e7834d27f.png)Figure"},{"iden":"sample input 2","content":"12 3 1"},{"iden":"sample output 2","content":"2"},{"iden":"sample input 3","content":"100000 1 1"},{"iden":"sample output 3","content":"49999"},{"iden":"sample input 4","content":"64146 123 456"},{"iden":"sample output 4","content":"110"},{"iden":"sample input 5","content":"64145 123 456"},{"iden":"sample output 5","content":"109"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}