import os
s = input("Template:")
st1 = s[0:s.find('#')]
st2 = s[s.rfind('#')+1:]
ct = s.count('#')
path = input("Input path:")
for i, filename in enumerate(os.listdir(path)):
    os.chdir(path)
    os.rename(filename, '{}{:0{fm}d}{}'.format(st1, i, st2, fm = ct))