Poker

using System;
class Poker
{
    static void Main()
    {
        string [] c={"A","2","3","4","5","6","7","8","9","10","J","Q","K","A"};
        string[] inpt =new string[5];
        int i=0,j=0,k=0,m=0;
        for (i = 0; i < 5; i++)
			{
			 inpt[i] = Console.ReadLine();
			}

        int cnt2=0;
        bool four = false, three=false, pair=false;
        int a = -1, b = -1, a1 = -1, b1 = -1;

        bool ace=false, c2=false,c3=false, c4=false, c5=false, c10=false,cj=false, cq=false,ck=false;

        if(inpt[0].Equals(inpt[1])&&inpt[1].Equals(inpt[2])&&inpt[2].Equals(inpt[3])&&inpt[3].Equals(inpt[4]))
        {
            Console.WriteLine("Impossible");
        }
        else
        {
            for (i = 0; i < 2; i++)
            {
                for (j = i + 1; j < 3; j++)
                {
                    for (k = j + 1; k < 4; k++)
                    {
                        for (m = k + 1; m < 5; m++)
                        {
                            if (inpt[i].Equals(inpt[j]) && inpt[j].Equals(inpt[k]) && inpt[k].Equals(inpt[m]))
                            {
                                four = true;
                                Console.WriteLine("Four of a Kind");
                                break;
                            }
                        }
                    }

                }
            }
            if (four == false)
            {
                for (i = 0; i < 4; i++)
                    {
                        for (j = i + 1; j < 5; j++)
                        {
                            if (inpt[i].Equals(inpt[j]))
                            {
                                cnt2++;
                                if (a == -1 && b == -1)
                                {
                                    a = i;
                                    b = j;
                                }
                                else
                                {
                                    a1 = i;
                                    b1=j;
                                }
                            }
                        }
                    }
                for (i = 0; i < 3; i++)
                {
                    for (j = i + 1; j < 4; j++)
                    {
                        for (k = j + 1; k < 5; k++)
                        {
                            if (inpt[i].Equals(inpt[j]) && inpt[j].Equals(inpt[k]))
                            {
                                three = true;
                            }
                        }
                    }
                }
                if (three == true)
                {
                    if (cnt2 <= 3) Console.WriteLine("Three of a Kind");
                    else if (cnt2 == 4) Console.WriteLine("Full House");
                }
                else
                {
                    if (a != -1 || a1 != -1)
                    {
                        if (inpt[a].Equals( inpt[a1]))
                        {
                            if (inpt[b].Equals( inpt[b1])) pair = true;
                        }
                        else if (inpt[a].Equals( inpt[b1]))
                        {
                            if (inpt[b].Equals(inpt[a1])) pair = true;
                        }
                    }
                    if (pair == true)
                    {
                        Console.WriteLine("Two Pairs");
                    }
                    else if (cnt2!=0) Console.WriteLine("One Pair");
                }
                for (int p = 0; p < 5; p++)
                {
                    if (inpt[p] == "A"&&ace==false)
                    {
                        ace = true;
                    }
                    if (inpt[p] == "2" && c2 == false)
                    {
                        c2 = true;
                    }
                    if (inpt[p] == "3" && c3 == false)
                    {
                        c3 = true;
                    }
                    if (inpt[p] == "4" && c4 == false)
                    {
                        c4 = true;
                    }
                    if (inpt[p] == "5" && c5 == false)
                    {
                        c5 = true;
                    }
                    if (inpt[p] == "10" && c10 == false)
                    {
                        c10 = true;
                    }
                    if (inpt[p] == "J" && cj == false)
                    {
                        cj = true;
                    }
                    if (inpt[p] == "Q" && cq == false)
                    {
                        cq = true;
                    }
                    if (inpt[p] == "K" && ck == false)
                    {
                        ck = true;
                    }
                }
                if ((ace && c2 && c3 && c4 && c5)||(ace && c10 && cj && cq && ck)) Console.WriteLine("Straight");
                else  if (cnt2==0&&!four&&!three) Console.WriteLine("Nothing");
            }

        }

    }
}