#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    string s;
    cin>>s;
    vector<int> a(n,-1),b(n,-1);
    int left=-1,right=-1;
    for(int i=0;i<n;i++)
    {
        if(s[i]=='-' and left!=-1) b[i]=i-left;
        else if(s[i]=='B') left=i;
        else if(s[i]=='A') left=-1;
    }
    for(int i=n-1;i>=0;i--)
    {
        if(s[i]=='-' and right!=-1) a[i]=right-i;
        else if(s[i]=='B') right=-1;
        else if(s[i]=='A') right=i;
    }
    int votea=0,voteb=0;
    for(int i=0;i<n;i++)
    {
        if(s[i]=='A') votea++;
        else if(s[i]=='B') voteb++;
        else
        {
            if(a[i]==-1 and b[i]==-1) continue;
            else if(a[i]!=-1 and b[i]==-1) votea++;
            else if(b[i]!=-1 and a[i]==-1) voteb++;
            else
            {
                if(a[i]<b[i]) votea++;
                else if(a[i]>b[i]) voteb++;
            }
        }
    }
    if(votea>voteb) cout<<'A';
    else if(votea<voteb) cout<<'B';
    else cout<<"Coalition government";
    return 0;
}