#include<iostream> #include<string> //#include<cmath> using namespace std; int main() { string s; while(cin>>s) { //int bit=0; int ans =0; for(int i=2;i<s.size>='0'&&s[i]<='9') ans=ans*16+s[i]-'0'; else if(s[i]>='A'&&s[i]<='F') ans=ans*16+(s[i]-'A'+10); } cout<<ans><</ans></s.size></cmath></string></iostream>