{"raw_statement":[{"iden":"problem statement","content":"Select any integer $N$ between $1000$ and $2000$ (inclusive), and any integer $K$ not less than $1$, then solve the problem below.\n\n#### Problem\n\nWe have $N$ sheets of paper. Write $K$ integers on each of them to satisfy the following conditions:\n\n*   Each integer written must be between $1$ and $N$ (inclusive).\n*   The $K$ integers written on the same sheet must be all different.\n*   Each of the integers between $1$ and $N$ must be written on exactly $K$ sheets.\n*   For any two sheet, there is exactly one integer that appears on both."},{"iden":"input","content":"There is no input in this problem."},{"iden":"sample output","content":"3 2\n1 2\n2 3\n3 1\n\nThis is an example of a solution for $N = 3$ and $K = 2$.\nNote that this output will be judged as incorrect, since the constraint on $N$ is not satisfied."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}