#strings

def main():
    sentence=input("Enter a sentence  ")
    #print(sentence[0])
    #for i in range(0, len(sentence)):
       # print(ord(sentence[i]))
    #print(chr(962))
    #words=sentence.split(",")
    #for str in words:
        #print(str.upper())
    middle=sentence[5:10]
    print(middle)
    

main()
