import java.io.*;
import java.util.*;

public class crib {
	static int n;

	public static void main(String args[]) throws Exception {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		PrintWriter pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
		
		n = Integer.parseInt(br.readLine());
		int[] tb = new int[13];
		
		while(n > 0) {
			Arrays.asList(br.readLine().split(" "))
				.forEach(str -> {
					tb[ctoi(str.charAt(0))]++;
					n--;
				});
		}
		
		int score = 0;
		
		int[] dp = new int[16];
		
		dp[0] = 1;
		
		for(int i = 0; i < 13; i++) {
			for(int j = 0; j < tb[i]; j++) {
				for(int k = 15; k >= 0; k--)
					if(k + ps(i) <= 15)
						dp[k + ps(i)] += dp[k];
			}
		}
		
		score += 2 * dp[15];
		
		for(int i = 0; i < 13; i++)
			score += tb[i] * (tb[i]-1);
		
		int rl = 0;
		int ways = 1;
		
		for(int i = 0; i < 13; i++) {
			if(tb[i] == 0) {
				if(rl >= 3)
					score += rl * ways;
				
				rl = 0;
				ways = 1;
			}else {
				rl++;
				ways *= tb[i];
			}
		}
		
		if(rl >= 3)
			score += rl * ways;
		
		pw.println(score);
		pw.close();
	}
	
	static int ps(int r) {
		if(r == 0)
			return 1;
		else if(r < 9)
			return r+1;
		else
			return 10;
	}
	
	static int ctoi(char c) {
		if(c == 'A')
			return 0;
		else if(Character.isDigit(c))
			return c-'0'-1;
		else if(c == 'T')
			return 9;
		else if(c == 'J')
			return 10;
		else if(c == 'Q')
			return 11;
		else
			return 12;
	}
}