import string

# Program to index sentences

# Author:   <***MUST DO*** - REPLACE THIS WITH YOUR NAME AND STUDENT ID>

# Date:

stopWords = [ "a", "i", "it", "am", "at", "on", "in", "to", "too", "very", \
              "of", "from", "here", "even", "the", "but", "and", "is", "my", \
              "them", "then", "this", "that", "than", "though", "so", "are" ]

noStemWords = [ "feed", "sages", "yearling", "mass", "make", "sly", "ring" ]

endings = ["s","es","ed","er","ly","ing"]


lines = []
while True:
    line = raw_input()
    if not line: break
    lines.append(line)

q = 0
i = 0
x = 0
d = {}

while x < len(lines):
    d[x]=lines[x].split()
    x = x + 1



for i in d:
    linelist = d[i]
    '''for stemword in noStemWords:
        for word in linelist:
           if word != stemword:
            for ending in endings:
                word = word.rstrip(ending)
                linelist.append(word)'''

    for word in stopWords:
        if word in linelist:
            linelist.remove(word)
    d[i] = linelist
    i = i + 1

for i in d:
    linelist = d[i]

    for word in linelist:
            while q < len(linelist):
                q = q + 1
                if word != noStemWords[q]:
                    for ending in endings:
                        word.strip(ending)


    d[i] = linelist


print d