#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using db = long double;
using ch = char;
using bl = bool;
using st = string;
using pll = pair<ll,ll>;
using psl = pair<st,ll>;
using vst = vector<st>;
using vch = vector<ch>;
using vvch = vector<vch>;
using vbl = vector<bl>;
using vvbl = vector<vbl>;
using vdb = vector<db>;
using vpll = vector<pll>;
using vvpll = vector<vpll>;
using vpsl = vector<psl>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vvvvi = vector<vvvi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vvvvll = vector<vvvll>;
using vvvvvll = vector<vvvvll>;
#define all(A) A.begin(),A.end()
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define rrep(i,a,b) for(ll i=(ll)(a);i<=(ll)(b);i++)

int main() {
    ll Q;
    cin>>Q;
    while(Q--){
        st S;
        cin>>S;
        if(S.size()==1){
            cout << S << endl;
        }
        else{
            ll l=S.size();
            ch c=S[1];
            if(c=='b'){
                st T=S.substr(2,l-2);
                ll ans=0;
                rep(i,l-2){
                    ans*=2;
                    ans+=T[i]-'0';
                }
                cout << ans << endl;
            }
            else if(c=='o'){
                st T=S.substr(2,l-2);
                ll ans=0;
                rep(i,l-2){
                    ans*=8;
                    ans+=T[i]-'0';
                }
                cout << ans << endl;
            }
            else if(c=='x'){
                st T=S.substr(2,l-2);
                ll ans=0;
                rep(i,l-2){
                    ans*=16;
                    if(T[i]=='a')ans+=10;
                    else if(T[i]=='b')ans+=11;
                    else if(T[i]=='c')ans+=12;
                    else if(T[i]=='d')ans+=13;
                    else if(T[i]=='e')ans+=14;
                    else if(T[i]=='f')ans+=15;
                    else ans+=T[i]-'0';
                }
                cout << ans << endl;
            }
            else{
                cout << S << endl;
            }
        }
    }
    return 0;
}