public class Solution {

    public bool IsAnagram(string s, string t) {

        Dictionary<char, int> dic = new Dictionary<char, int>();

            foreach (var c in s)

            {

                if (!dic.ContainsKey(c))

                {

                    dic.Add(c, );

                }

                else

                {

                    dic[c]++;

                }

            }

            foreach (var c in t)

            {

                if (!dic.ContainsKey(c))

                {

                    return false;

                }

                else

                {

                    dic[c]--;

                }

            }

            foreach (var d in dic)

            {

                if (d.Value != )

                {

                    return false;

                }

            }

            return true;

    }

}