{"raw_statement":[{"iden":"problem statement","content":"You are given a sequence of $N$ numbers: $A=(A_1,\\ldots,A_N)$.\nDetermine whether there is a pair $(i,j)$ with $1\\leq i,j \\leq N$ such that $A_i-A_j=X$."},{"iden":"constraints","content":"*   $2 \\leq N \\leq 2\\times 10^5$\n*   $-10^9 \\leq A_i \\leq 10^9$\n*   $-10^9 \\leq X \\leq 10^9$\n*   All values in the input are integers."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$N$ $X$\n$A_1$ $\\ldots$ $A_N$"},{"iden":"sample input 1","content":"6 5\n3 1 4 1 5 9"},{"iden":"sample output 1","content":"Yes\n\nWe have $A_6-A_3=9-4=5$."},{"iden":"sample input 2","content":"6 -4\n-2 -7 -1 -8 -2 -8"},{"iden":"sample output 2","content":"No\n\nThere is no pair $(i,j)$ such that $A_i-A_j=-4$."},{"iden":"sample input 3","content":"2 0\n141421356 17320508"},{"iden":"sample output 3","content":"Yes\n\nWe have $A_1-A_1=0$."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}