{"trustable":true,"prependHtml":"\u003cscript\u003e window.katexOptions \u003d { disable: true }; \u003c/script\u003e\n\u003cscript type\u003d\"text/x-mathjax-config\"\u003e\n MathJax.Hub.Config({\n tex2jax: {\n inlineMath: [[\u0027$$$\u0027,\u0027$$$\u0027], [\u0027$\u0027,\u0027$\u0027]],\n displayMath: [[\u0027$$$$$$\u0027,\u0027$$$$$$\u0027], [\u0027$$\u0027,\u0027$$\u0027]]\n }\n });\n\u003c/script\u003e\n\u003cscript async src\u003d\"https://mathjax.codeforces.org/MathJax.js?config\u003dTeX-AMS-MML_HTMLorMML\" type\u003d\"text/javascript\"\u003e\u003c/script\u003e","sections":[{"title":"","value":{"format":"HTML","content":"\u003cdiv class\u003d\"panel_content\"\u003eJohn are playing with blocks. There are N blocks (1 \u0026lt;\u003d N \u0026lt;\u003d 30000) numbered 1...N。Initially, there are N piles, and each pile contains one block. Then John do some operations P times (1 \u0026lt;\u003d P \u0026lt;\u003d 1000000). There are two kinds of operation:\u003cbr\u003e\u003cbr\u003eM X Y : Put the whole pile containing block X up to the pile containing Y. If X and Y are in the same pile, just ignore this command. \u003cbr\u003eC X : Count the number of blocks under block X \u003cbr\u003e\u003cbr\u003eYou are request to find out the output for each C operation.\u003cbr\u003e\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"The first line contains integer P. Then P lines follow, each of which contain an operation describe above."}},{"title":"Output","value":{"format":"HTML","content":"Output the count for each C operations in one line."}},{"title":"Sample","value":{"format":"HTML","content":"\u003ctable class\u003d\u0027vjudge_sample\u0027\u003e\n\u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eInput\u003c/th\u003e\n \u003cth\u003eOutput\u003c/th\u003e\n \u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cpre\u003e6\r\nM 1 6\r\nC 1\r\nM 2 4\r\nM 2 6\r\nC 3\r\nC 4\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e1\r\n0\r\n2\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}