#377 백준 파이썬 [11816] 8진수, 10진수, 16진수

https://www.acmicpc.net/problem/11816

 

PYTHON CODE

X = input()

if X[0] == '0':
    if X[1] == 'x':
        print(int(X, 16))
    else:
        print(int(X, 8))
else:
    print(X)