##Example 1

string=input("What phrase should I test?")

count=0

string=string.lower()

for index in range(len(string)):

    character = string[index]
    if character==".":
        count=count+1
    if character=="?":
        count=count+1
    if character=="!":
        count=count+1
if count>=1:
    print("Yes")
else:
    print("No")
    



#########################


##Example 2

phrase = input("What phrase should I test? ")
index = 0
character = phrase[index]
punctuation = 0
while index < len(phrase):
    character = phrase[index]
    if character =="." or character=="!" or character=="?":
        punctuation=punctuation +1
    index = index+1
if punctuation<1:
    print("No")
else:
    print("Yes")

#########################

##Example 3

phrase = input("What phrase should I test? ")

punctuation=".?!"
end = 0

for character in phrase:
    if character in punctuation:
        end = "yes"
        
if end=="yes":
    print("Yes")
else:
    print("No")