#include <bits/stdc++.h>
using namespace std;

int main(){
	double a,aa,b,bb,c,cc;
	
	cin>>a>>aa>>b>>bb>>c>>cc;
	
	a+=1-aa*0.01;
	b+=1-bb*0.01;
	c+=1-cc*0.01;
	
	if(a>b&&b>c){
		cout<<"A"<<endl<<"B"<<endl<<"C"<<endl;
	}else if(a>c&&c>b){
		cout<<"A"<<endl<<"C"<<endl<<"B"<<endl;
	}else if(b>c&&c>a){
		cout<<"B"<<endl<<"C"<<endl<<"A"<<endl;
	}else if(b>a&&a>c){
		cout<<"B"<<endl<<"A"<<endl<<"C"<<endl;
	}else if(a>b){
		cout<<"C"<<endl<<"A"<<endl<<"B"<<endl;
	}else{
		cout<<"C"<<endl<<"B"<<endl<<"A"<<endl;
	}
	return 0;
}