{"raw_statement":[{"iden":"problem statement","content":"Given are an integer $X$ and an integer sequence of length $N$: $p_1, \\ldots, p_N$.\nAmong the integers not contained in the sequence $p_1, \\ldots, p_N$ (not necessarily positive), find the integer nearest to $X$, that is, find the integer whose absolute difference with $X$ is the minimum. If there are multiple such integers, report the smallest such integer."},{"iden":"constraints","content":"*   $1 \\leq X \\leq 100$\n*   $0 \\leq N \\leq 100$\n*   $1 \\leq p_i \\leq 100$\n*   $p_1, \\ldots, p_N$ are all distinct.\n*   All values in input are integers."},{"iden":"input","content":"Input is given from Standard Input in the following format:\n\n$X$ $N$\n$p_1$ $...$ $p_N$"},{"iden":"sample input 1","content":"6 5\n4 7 10 6 5"},{"iden":"sample output 1","content":"8\n\nAmong the integers not contained in the sequence $4, 7, 10, 6, 5$, the one nearest to $6$ is $8$."},{"iden":"sample input 2","content":"10 5\n4 7 10 6 5"},{"iden":"sample output 2","content":"9\n\nAmong the integers not contained in the sequence $4, 7, 10, 6, 5$, the ones nearest to $10$ are $9$ and $11$. We should print the smaller one, $9$."},{"iden":"sample input 3","content":"100 0"},{"iden":"sample output 3","content":"100\n\nWhen $N = 0$, the second line in the input will be empty. Also, as seen here, $X$ itself can be the answer."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}