#include<string>
#include<fstream>
using namespace std;
int main()
{
	char x;
	int n,l,nr,ok;
	ifstream f("text.in");
	ofstream g("text.out");
	nr=1;l=0;
	do
	{
		f.get(x);
		if(x!=' ')
		{	
			if((x>='a'&&x<='z')||(x>='A'&&x<='Z'))
			l++;
		}
		else
		{
			if(x==' '||x=='\n'||x=='-')
			nr++;
		}
	}
	while(f.peek()!=EOF);
	cout<<l<<endl<<nr<<endl;
	cout<<"Lungimea media a cuvintelor din text este:"<<l/nr;
	f.close();
	g.close();
	return 0;
}