//C++版代码 #include <iostream> using namespace std; int main() { string s; while (cin >> s) { cout << stoi(s, nullptr, 16) << endl; } return 0; } //Java版代码 import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (sc.hasNext()) System.out.println(Integer.parseInt(sc.next().substring(2), 16)); } } //Python版代码 while True: try: print(int(input(), 16)) except: break