import sys



def reverse(word):
    return word[::-1]


while True:
    a = (sys.argv[1])


    if a.count('"') == 2:
        print reverse(a.strip('"'))


    elif a.count(' ')>0:
        print "Wrong amount of parameters!"
        sys.exit()


    elif a == '':
        print "Wrong amount of parameters!"
        sys.exit()
    else:
            print reverse(a.strip('"'))