#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;
    long long in = 0, out = 0, x;
    for(int i = 0; i < N; i++){
        if(!(cin >> x)) return cout<<"Invlaid input",0;
        in += max(oLL, x - R);
    }
    for(int i = 0; i < M; i++){
        if(!(cin >> x)) return cout<<"Invalid input",0;
        out += max(oLL,x - R);
    }
    if(in == out) cout<<"Balanced";
    else cout<<out - in;
    return 0;
}