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

int main()
{
	
	string s;
	
	ifstream plik("mecz.txt");
	plik >>s;
	
	
	int l = 0;
	
	for(int i = 0; i<s.size()-1; i++)
	{
		if(s[i] != s[i+1])
		l++;
	}
	cout << "zad 1: " << l << endl;
	
	int a=0,b=0;
	
	for(int i=0; i<s.size(); i++)
	{
		if(s[i]=='A')
		a++;
		else
		b++;
		
		if(a >= 1000 and a >=b +3)
			{
				cout << "zad 2: A" << a << ":" << b << endl; 
				break;
			}
		else if(b >= 1000 and b >=a +3)
			{
				cout << "zad 2: B" << b << ":" << a << endl; 
				break;
			}
	}
	
	int passa=0;
	int lpass=0;
	int pmax=0;
	char d;
	
	for(int i=0; i<s.size()-1; i++)
	{
		if(s[i]==s[i+1])
		passa++;
		else
		{
			if(passa >= 10)
			lpass++;
			if(passa > pmax)
			{
				pmax = passa;
				d = s[i];
			}
		passa = 1;
		}
		
	}
	
	cout << " zad 3: " << lpass << " " << d << " " << pmax << endl;
	
	return 0;
}