# 7์ฅ Lab ๋์ ๋ฌธ์ ํ์ด
338p_Lab ๋์ ๋ฌธ์ )
phrase = input('๋ฌธ์์ด์ ์
๋ ฅํ์์ค: ')
phrase = phrase.replace("In","")
phrase = phrase.replace("The","")
phrase = phrase.replace("Of","")
phrase = phrase.replace("By","")
acro = ""
for word in phrase.upper().split():
acro += word[0]
print(acro)

