{"raw_statement":[{"iden":"problem statement","content":"> There are some number of bowling pins on a plane. Four people are observing the pins from different angles. Is it possible that one of the observers sees much more pins than the others?\n\nLet's model the pins as a set of points on an $xy$\\-plane. The image below shows the positions of the four observers. Formally,\n\n*   For observer **A**, two pins overlap if their $y$\\-coordinates are the same.\n*   For observer **B**, two pins overlap if their values of ($x$\\-coordinate minus $y$\\-coordinate) are the same.\n*   For observer **C**, two pins overlap if their $x$\\-coordinates are the same.\n*   For observer **D**, two pins overlap if their values of ($x$\\-coordinate plus $y$\\-coordinate) are the same.\n\n![image](https://img.atcoder.jp/agc051/4c43515cd2e0373bc339fc6096de4c76.png)\nLet $a, b, c, d$ be the number of pins the observers **A**, **B**, **C**, **D** see, respectively.\nConstruct any arrangement of bowling pins that satisfies the following constraints:\n\n*   $d \\geq 10 \\cdot \\max { a, b, c }$\n*   The number of pins is between $1$ and $10^5$, inclusive.\n*   The coordinates are integers between $0$ and $10^9$, inclusive.\n*   No two pins are placed at exactly the same place."},{"iden":"input","content":"There is no input."},{"iden":"sample input 1","content":""},{"iden":"sample output 1","content":"9\n1 1\n1 5\n2 7\n4 4\n5 3\n6 8\n7 5\n8 2\n8 7\n\n**This sample output is provided for the sake of showing the output format and is not correct.**\nIt matches the picture in the statement.\nHere, $d = 8$ and $a = b = c = 7$. Nice try, but not enough to get AC."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}