def enter_sentence():
    sentence = raw_input("Please enter a long sentence : ")
    string = sentence.replace(" ","")
    print "Last Character in the sentence :",string[-1:]
    print "Last 5 Characters in the sentence :",string[-5:]
    print "Character at 2nd and 5th positions are :"+string[1],string[4]
    center = int(len(string))/2
    end = center+1
    print "Character at the center of the string ,along with 2 adjoining characters is : ",string[center-2:end]

# Main starts from here
if __name__ == "__main__":
    print "Let's start"
enter_sentence()