s = input()

def remove(s,i):
    print("removal of",s[i])
    str = s.replace(s[i],"")


    return str

for i in range(len(s)):
    print(i)
    print(remove(s,i))
    print("________________________")

Traceback (most recent call last):
  Line 1, in <module>
    s = input()
EOFError