{"trustable":true,"sections":[{"title":"","value":{"format":"HTML","content":"\u003cstyle type\u003d\"text/css\"\u003e .sampledata { font-family: \"Courier New\", Courier, monospace; white-space: pre; }\u003c/style\u003e\u003cp\u003e\u003cimg height\u003d\"196\" width\u003d\"770\" alt\u003d\"\" SRC\u003d\"CDN_BASE_URL/f75add082225727405749ef10407607a?v\u003d1591032331\"\u003e\u003c/p\u003e"}},{"title":"Input","value":{"format":"HTML","content":"\u003cp\u003e\u003cspan style\u003d\"font-size: medium\"\u003e一行,一个字符串S\u003c/span\u003e\u003c/p\u003e"}},{"title":"Output","value":{"format":"HTML","content":"\u003cp\u003e\u0026nbsp;\u003c/p\u003e \n\u003cp\u003e\u003cspan style\u003d\"font-size: medium\"\u003e一行,一个整数,表示所求值\u003c/span\u003e\u003c/p\u003e"}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cspan class\u003dsampledata\u003ecacao\u003c/span\u003e\u003c/div\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cspan class\u003dsampledata\u003e\r\n54\r\n\r\n\u003c/span\u003e\u003c/div\u003e"}},{"title":"Hint","value":{"format":"HTML","content":"\u003cp\u003e\u003c/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e 2\u0026lt;\u003dN\u0026lt;\u003d500000,S由小写英文字母组成\u003cbr\u003e\u003cbr\u003e \u003c/p\u003e\n\u003cp\u003e\u003c/p\u003e"}}]}