题解 | #进制转换#
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
dic = {'A':10, 'B':11, 'C':12, 'D':13, 'E':14, 'F':15}
ent = input().upper()[2:]
out = 0
for i in range(len(ent)):
t = ent[::-1][i]
if t in dic:
t = dic[t]
else:
t = int(t)
out += t * (16 ** i)
print(out)
