{"trustable":true,"sections":[{"title":"","value":{"format":"HTML","content":"\u003ch1\u003eSearch III\u003c/h1\u003e\n\n\u003cp\u003e\nYour task is to write a program of a simple \u003ci\u003edictionary\u003c/i\u003e which implements the following instructions:\n\u003c/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003einsert \u003ci\u003estr\u003c/i\u003e\u003c/b\u003e: insert a string \u003ci\u003estr\u003c/i\u003e in to the dictionary\u003c/li\u003e\n\u003cli\u003e\u003cb\u003efind \u003ci\u003estr\u003c/i\u003e\u003c/b\u003e: if the distionary contains \u003ci\u003estr\u003c/i\u003e, then print \u0027\u003cspan\u003eyes\u003c/span\u003e\u0027, otherwise print \u0027\u003cspan\u003eno\u003c/span\u003e\u0027\u003c/li\u003e\n\u003c/ul\u003e\n\n\n\n\n\n\u003ch2\u003eInput\u003c/h2\u003e\n\n\u003cp\u003e\nIn the first line \u003ci\u003en\u003c/i\u003e, the number of instructions is given. In the following \u003ci\u003en\u003c/i\u003e lines, \u003ci\u003en\u003c/i\u003e instructions are given in the above mentioned format.\n\u003c/p\u003e\n\n\n\u003ch2\u003eOutput\u003c/h2\u003e\n\n\u003cp\u003e\nPrint \u003cspan\u003eyes\u003c/span\u003e or \u003cspan\u003eno\u003c/span\u003e for each find instruction in a line.\n\u003c/p\u003e\n\n\u003ch2\u003eConstraints\u003c/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eA string consists of \u0027\u003cspan\u003eA\u003c/span\u003e\u0027, \u0027\u003cspan\u003eC\u003c/span\u003e\u0027, \u0027\u003cspan\u003eG\u003c/span\u003e\u0027, or \u0027\u003cspan\u003eT\u003c/span\u003e\u0027\u003c/li\u003e\n\u003cli\u003e1 ≤ length of a string ≤ 12\u003c/li\u003e\n\u003cli\u003e \u003ci\u003en\u003c/i\u003e ≤ 1000000 \u003c/li\u003e\n\u003c/ul\u003e\n\n\n\u003ch2\u003eSample Input 1\u003c/h2\u003e\n\u003cpre\u003e5\ninsert A\ninsert T\ninsert C\nfind G\nfind A\n\u003c/pre\u003e\n\n\u003ch2\u003eSample Output 1\u003c/h2\u003e\n\u003cpre\u003eno\nyes\n\u003c/pre\u003e\n\n\u003ch2\u003eSample Input 2\u003c/h2\u003e\n\u003cpre\u003e13\ninsert AAA\ninsert AAC\ninsert AGA\ninsert AGG\ninsert TTT\nfind AAA\nfind CCC\nfind CCC\ninsert CCC\nfind CCC\ninsert T\nfind TTT\nfind T\n\u003c/pre\u003e\n\n\u003ch2\u003eSample Output 2\u003c/h2\u003e\n\n\u003cpre\u003eyes\nno\nno\nyes\nyes\nyes\n\u003c/pre\u003e\n\n\n\u003ch2\u003eNotes\u003c/h2\u003e\n\n\u003ca href\u003d\"http://judge.u-aizu.ac.jp/onlinejudge/template/ALDS1_4_C_template.c\" target\u003d\"_blank\"\u003eTemplate in C\u003c/a\u003e\n\n\n\n"}}]}