【无标题】

s='''FivescoreyearsagoagreatAmericaninwhosesymbolicshadowwestandtodaysignedtheEmancipationProclamationThismomentousdecreecameasagreatbeaconlightofhopetomillionsofNegroslaveswhohadbeensearedintheflamesofwitheringinjusticeItcameasajoyousdaybreaktoendthelongnightofbadcaptivityButonehundredyearslatertheNegrostillisnotfreeOnehundredyearslaterthelifeoftheNegroisstillsadlycrippledbythemanaclesofsegregationandthechainsofdiscriminationOnehundredyearslatertheNegrolivesonalonelyislandofpovertyinthemidstofavastoceanofmaterialprosperityOnehundredyearslatertheNegroisstilllanguishedinthecornersofAmericansocietyandfindshimselfanexileinhisownlandSowevecomeheretodaytodramatizeashamefulconditionIamnotunmindfulthatsomeofyouhavecomehereoutofgreattrialsandtribulationsSomeofyouhavecomefreshfromnarrowjailcellsSomeofyouhavecomefromareaswhereyourquestforfreedomleftyoubatteredbythestormsofpersecutionandstaggeredbythewindsofpolicebrutalityYouhavebeentheveteransofcreativesufferingContinuetoworkwiththefaiththatunearnedsufferingisredemptiveGobacktoMississippigobacktoAlabamagobacktoSouthCarolinagobacktoGeogiagobacktoLouisianagobacktotheslumsandghettosofournortherncitiesknowingthatsomehowthissituationcanandwillbechangedLetusnotwallowinthevalleyofdespairIsaytoyoutodaymyfriendssoeventhoughwefacethedifficultiesoftodayandtomorrowIstillhaveadreamItisadreamdeeplyrootedintheAmericandreamIhaveadreamthatonedaythisnationwillriseupliveuptothetruemeaningofitscreedWeholdthesetruthstobeselfevidentthatallmenarecreatedequalIhaveadreamthatonedayontheredhillsofGeorgiathesonsofformerslavesandthesonsofformerslaveownerswillbeabletositdowntogetheratthetableofbrotherhoodIhaveadreamthatonedayeventhestateofMississippiastateswelteringwiththeheatofinjusticeswelteringwiththeheatofoppressionwillbetransformedintoanoasisoffreedomandjusticeIhaveadreamthatmyfourchildrenwillonedayliveinanationwheretheywillnotbejudgedbythecoloriftheirskinbutbythecontentoftheircharacterIhaveadreamtodayIhaveadreamthatonedaydowninAlabamawithitsgovenorhavinghislipsdrippingwiththewordsofinterpositionandnullificationonedayrightdowninAlabamalittleblackboysandblackgirlswillbeabletojoinhandswithlittlewhiteboysandwhitegirlsassistersandbrothersIhaveadreamtodayIhaveadreamthatonedayeveryvalleyshallbeexaltedeveryhillandmountainshallbemadelowtheroughplaceswillbemadeplainandthecrookedplaceswillbemadestraightandthegloryoftheLordshallberevealedandallfleshshallseeittogetherThisisourhopeThisisthefaiththatIgobacktotheSouthwithWiththisfaithwewillbeabletohewoutofthemountainofdespairastoneofhopeWiththisfaithwewillbeabletotransformthejanglingdiscordsofournationintoabeautifulsymphonyofbrotherhoodWiththisfaithwewillbeabletoworktogethertopraytogethertostruggletogethertogotojailtogethertostandupforfreedomtogetherknowingthatwewillbefreeonedayThiswillbethedaywhenallofGodschildrenwillbeabletosingwithnewmeaningMycountrytisoftheeSweetlandoflibertyOftheeIsingLand where my fathers diedLandofthepilgrimsprideFromeverymountainsideLetfreedomringAndifAmericaistobeagreatnationthismustbecometrueSoletfreedomringfromtheprodigioushilltopsofNewHampshireLetfreedomringfromthemightymountainsofNewYorkLetfreedomringfromtheheighteningAllegheniesofPennsylvaniaLetfreedomringfromthesnowcappedRockiesofColoradoLetfreedomringfromthecurvaceousslopsofCaliforniaButnotonlythatletfreedomringfromStoneMountainofGeorgiaLetfreedomringfromLookoutMountainofTennesseeLetfreedomringfromeveryhillandmolehillofMississippiFromeverymountainsideletfreedomringWhenweletfreedomringwhenweletitringfromeveryvillageandeveryhamletfromeverystateandeverycitywewillbeabletospeedupthatdaywhenallofGodschildrenblackmenandwhitemenJewsandGentilesProtestantsandCatholicswillbeabletojoinhandsandsinginthewordsoftheoldNegrospiritualFreeatlastfreeatlastthankGodalmightywearefreeatlast'''
t = s.lower()
for alphabet in "abcdefghijklmnopqrstuvwxyz" :
    number = t.count(alphabet)
    print(alphabet,number)