{"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\"\u003eWe have learned how to obtain the value of a polynomial when we were a middle school student. If f(x) is a polynomial of degree n, we can let\u003cbr\u003e \u003ccenter\u003e\u003cimg style\u003d\"max-width:100%;\" src\u003d\"CDN_BASE_URL/52dabeb6f24bb2d71408137275843e32?v\u003d1713667019\"\u003e\u003c/center\u003e\u003cbr\u003eIf we have x, we can get f(x) easily. But a computer can not understand the expression like above. So we had better make a program to obtain f(x).\u003cbr\u003e\u003c/div\u003e"}},{"title":"Input","value":{"format":"HTML","content":"There are multiple cases in this problem and ended by the EOF. In each case, there are two lines. One is an integer means x (0\u0026lt;\u003dx\u0026lt;\u003d10000), the other is an expression means f(x). All coefficients ai(0\u0026lt;\u003di\u0026lt;\u003dn,1\u0026lt;\u003dn\u0026lt;\u003d10,-10000\u0026lt;\u003dai\u0026lt;\u003d10000) are integers. A correct expression maybe likes\u003cbr\u003e1003X^5+234X^4-12X^3-2X^2+987X-1000\u003cbr\u003e"}},{"title":"Output","value":{"format":"HTML","content":"For each test case, there is only one integer means the value of f(x)."}},{"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\u003e3\r\n1003X^5+234X^4-12X^3-2X^2+987X-1000\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003ctd\u003e\u003cpre\u003e264302\r\n\r\n\r\n\r\nNotice that the writing habit of polynomial f(x) is usual such as\r\nX^6+2X^5+3X^4+4X^3+5X^2+6X+7\r\n-X^7-5X^6+3X^5-5X^4+20X^3+2X^2+3X+9\r\nX+1\r\nX^3+1\r\nX^3\r\n-X+1 etc. Any results of middle process are in the range from -1000000000 to 1000000000.\r\n\r\n\u003c/pre\u003e\u003c/td\u003e\n \u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e\n"}}]}