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[908000000,494166907], [909000000,634359666], [910000000,172114298], [911000000,865440961], [912000000,364380585], [913000000,921648059], [914000000,965683742], [915000000,260466949], [916000000,117483873], [917000000,962540888], [918000000,237120480], [919000000,620531822], [920000000,193781724], [921000000,213092254], [922000000,107141741], [923000000,602742426], [924000000,793307102], [925000000,756154604], [926000000,236455213], [927000000,362928234], [928000000,14162538], [929000000,753042874], [930000000,778983779], [931000000,25977209], [932000000,49389215], [933000000,698308420], [934000000,859637374], [935000000,49031023], [936000000,713258160], [937000000,737331920], [938000000,923333660], [939000000,804861409], [940000000,83868974], [941000000,682873215], [942000000,217298111], [943000000,883278906], [944000000,176966527], [945000000,954913], [946000000,105359006], [947000000,390019735], [948000000,10430738], [949000000,706334445], [950000000,315103615], [951000000,567473423], [952000000,708233401], [953000000,48160594], [954000000,946149627], [955000000,346966053], [956000000,281329488], [957000000,462880311], [958000000,31503476], [959000000,185438078], [960000000,965785236], [961000000,992656683], [962000000,916291845], [963000000,881482632], [964000000,899946391], [965000000,321900901], [966000000,512634493], [967000000,303338827], [968000000,121000338], [969000000,967284733], [970000000,492741665], [971000000,152233223], [972000000,165393390], [973000000,680128316], [974000000,917041303], [975000000,532702135], [976000000,741626808], [977000000,496442755], [978000000,536841269], [979000000,131384366], [980000000,377329025], [981000000,301196854], [982000000,859917803], [983000000,676511002], [984000000,373451745], [985000000,847645126], [986000000,823495900], [987000000,576368335], [988000000,73146164], [989000000,954958912], [990000000,847549272], [991000000,241289571], [992000000,646654592], [993000000,216046746], [994000000,205951465], [995000000,3258987], [996000000,780882948], [997000000,822439091], [998000000,598245292], [999000000,869544707], [1000000000,698611116], [1001000000,0] ] cur = 0 ret = 1 for f in facts: if N >= f[0]: cur = f[0] ret = f[1] for i in range(cur+1,N+1): ret = ret * i % 1000000007 return ret if len(N)>10: print(0) else: N = int(N) if N>=1000000008: print(0) else: print(fact(N-1))