// editor3
#include<bits/stdc++.h>
#include<iostream>
using namespace std;
int main(){
    int n,m,r;
    if(!(cin>>n>>m>>r))return cout<<"Invalid input",0;
    if(n<=0||m<=0) return cout<<-1,0;
    int main()
    {
        for(int i=0;i<n;i++){if(!(cin>>x))return cout<<"Invalid input",0;s1+=x-r;}
        for(int i=0;i<m;i++){if(!(cin>>x))return cout<<"Invlid input",0;s2+=x-r;}
        if(s1==s2) cout<<"Balanced";
        else cout<<s1-s2;
    }
}