static void Sort(List <LetterInText> list)
{
int n = list.Count;
do
{
for (int i = 0; i < n - 1; i++)
{
if (list[i].Letter > list[i + 1].Letter)
{
LetterInText tmp = list[i];
list[i] = list[i + 1];
list[i + 1] = tmp;
}
}
n--;
}while (n > 1);
}
static void Main(string[] args)
{
Environment.ExitCode = 0;
try
{
int testsCount = 0;
testsCount = int.Parse(Console.ReadLine());
List <LetterInText> letters = new List <LetterInText>();
for (int i = 0; i < testsCount; i++)
{
string[] text = Console.ReadLine().Split();
for (int a = 0; a < text.Length; a++)
{
for (int b = 0; b < text[a].Length; b++)
{
LetterInText lit = new LetterInText();
lit.Letter = text[a][b];
if (letters.Count == 0)
{
lit.count++;
letters.Add(lit);
}
else
{
int counter = 0;
for (int c = 0; c < letters.Count; c++)
{
if (letters[c].Letter == lit.Letter)
{
letters[c].count++;
break;
}
counter++;
}
if (counter == letters.Count)
{
lit.count++;
letters.Add(lit);
}
}
}
}
}
Sort(letters);
int count = letters.Count;
for (int i = 0; i < count; i++)
{
if (letters[i].Letter >= 65 && letters[i].Letter <= 90)
{
var item = letters[i];
letters.RemoveAt(i);
letters.Add(item);
i--;
count--;
}
}
for (int i = 0; i < letters.Count; i++)
{
Console.WriteLine($"{letters[i].Letter} {letters[i].count}");
}
}
catch (Exception ex) { Environment.Exit(0); }
}
