CountSymbols

namespace CountSymbols
{
    using System;
    using System.Collections.Generic;

    public class CountSymbols
    {
        public static void Main()
        {
            string input = Console.ReadLine();
            SortedDictionary<char, int> myDictionary = new SortedDictionary<char, int>();

            for (int i = 0; i < input.Length; i++)
            {
                char currentSymbol = input[i];

                if (!myDictionary.ContainsKey(currentSymbol))
                {
                    myDictionary[currentSymbol] = 0;
                }
                    myDictionary[currentSymbol]++;
            }

            foreach (var kvp in myDictionary)
            {
                Console.WriteLine($"{kvp.Key}: {kvp.Value} time/s");
            }
        }
    }
}