n =int (input ("请输入整数n:"))
sum=1
while n>0:
sum=sum*n%10
n=n//10
if sum%2==0:
print ("No")
else:
print ("Yes")
n =int (input ("请输入整数n:"))
sum=1
while n>0:
sum=sum*n%10
n=n//10
if sum%2==0:
print ("No")
else:
print ("Yes")
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