#include<iostream>
#include<string>
using namespace std;

int main(){
    int x,y,z,t;
    string sys;
    cin>>x>>y>>z;
    if(x>y){
        x=t;
        t=y;
        y=x;
    }
    if(x>z){
        x=t;
        t=z;
        z=x;
    }
    if(y>z){
        y=t;
        t=z;
        z=y;
    }
    cin>>sys;
    if(sys=="ABC"){
        cout<<x<<y<<z;
    }
    else if(sys=="ACB"){
        cout<<x<<z<<y;
    }
    else if(sys=="BAC"){
        cout<<y<<x<<z;
    }
    else if(sys=="BCA"){
        cout<<x<<z<<y;
    }
    else if(sys=="CAB"){
        cout<<y<<z<<x;
    }
    else if(sys=="CBA"){
        cout<<z<<y<<x;
    }
   return 0;
}