def license(mac: str) -> str:
text = ''
s = mac.upper().replace("-", "").encode()
num = 0
for i in range(len(s) // 2):
num += (s[i] + s[len(s) - 1 - i])
text += str((i + num) * (s[i] + s[len(s) - 1 - i]))
return text
print(license("00-B0-D0-63-C2-26"))
ZGVmIGxpY2Vuc2UobWFjOiBzdHIpIC0+IHN0cjoKICAgIHRleHQgPSAnJwogICAgcyA9IG1hYy51cHBlcigpLnJlcGxhY2UoIi0iLCAiIikuZW5jb2RlKCkKICAgIG51bSA9IDAKICAgIGZvciBpIGluIHJhbmdlKGxlbihzKSAvLyAyKToKICAgICAgICBudW0gKz0gKHNbaV0gKyBzW2xlbihzKSAtIDEgLSBpXSkKICAgICAgICB0ZXh0ICs9IHN0cigoaSArIG51bSkgKiAoc1tpXSArIHNbbGVuKHMpIC0gMSAtIGldKSkKICAgIHJldHVybiB0ZXh0CgoKcHJpbnQobGljZW5zZSgiMDAtQjAtRDAtNjMtQzItMjYiKSk=