import random
    file1 = input("Enter file name >>> ")
    firstWords = []
    dict1 = {}
    flag = 1
    count = 0
    with open(file1, "r") as f1:
    	for line in f1:
    		tempList = line.split() #Splits the line into a list
    		if len(tempList) > 0:
    			firstWords.append(tempList[0])
    		for i in range(0, len(tempList)):
    			if tempList[i] not in dict1:
    				dict1[tempList[i]] = []
    			if tempList[i] != '.' and tempList[i] != ',' and i < len(tempList) - 1:
    				dict1[tempList[i]].append(tempList[i + 1])
    string = random.choice(firstWords)
    while flag == 1 and count < 100:
    	count = count + 1
    	print(string, end=' ')
    	if len(dict1[string]) != 0:
    		string = random.choice(dict1[string])
    	elif len(dict1[string]) == 0:
    		flag = 0
    print('')