#include <iostream>
#include <string>
using namespace std;

int main()
{
	int n; char c; string s;
	while(cin >> n)
	{
		int cd[13]={0},pr[5]={0};

		cd[n-1]++;
		for(int i=0; i<4; i++)
		{
			cin >> c >> n;
			cd[n-1]++;
		}

		for(int i=0; i<13; i++)
		{
			pr[cd[i]]++;
		}

		bool st=false;
		for(int i=0; i<10; i++)
		{
			int sm=0;
			for(int j=0; j<5; j++) sm+=(cd[(i+j)%13]?1:0);
			if(sm==5) st=true;
		}

		                      s="null";
		     if(pr[4])        s="four card";
		else if(pr[3]&&pr[2]) s="full house";
		else if(st)           s="straight";
		else if(pr[3])        s="three card";
		else if(pr[2]==2)     s="two pair";
		else if(pr[2])        s="one pair";

		cout << s << endl;
	}
}
#include <iostream>
#include <algorithm>
#include <string>
#include <cmath>
#include <stack>
using namespace std;

int main(){
	int hand[5];
	char s[4];
	while(cin >> hand[0] >> s[0] >> hand[1] >> s[1] >> hand[2] >> s[2] >> hand[3] >> s[3] >> hand[4]){
		int trump[14] = {};
		for(int i = 0; i < 5; i++)trump[hand[i]]++;
		for(int i = 1; i <= 10; i++){
			for(int j = 0; j < 5; j++){
				int k = i + j;
				if(k == 14)k = 1;
				if(trump[k] != 1)goto no;
			}
			cout << "straight" << endl;
			goto fin;
			no:;
		}
		sort(trump, trump + 14, greater<int>());
		if(trump[0] == 4){
			cout << "four card" << endl;
			goto fin;
		}else if(trump[0] == 3 && trump[1] == 2){
			cout << "full house" << endl;
			goto fin;
		}else if(trump[0] == 3){
			cout << "three card" << endl;
			goto fin;
		}else if(trump[0] == 2 && trump[1] == 2){
			cout << "two pair" << endl;
			goto fin;
		}else if(trump[0] == 2){
			cout << "one pair" << endl;
			goto fin;
		}
		cout << "null" << endl;
		fin:;
	}
}
