Error SyntaxError in if statement: invalid character identifier [overlapping]

a=input("What is the tallest mountain in Japan?")
if a=="Mt. Fuji":
   print("Answer!")
elifa=="Fuji-san":
print("Let's write in Chinese characters")
else:
  print("Unfortunately, the tallest mountain in Japan is Mt. Fuji".")


File "<ipython-input-20-34bcf552f01a>", line 2
    if a=="Mt. Fuji":
      　^
SyntaxError: invalid character identifier