#include <bits/stdc++.h>
using namespace std;
long long n,i,cnt[15],a[105],v[105],dp[105][20],score1,score2,score3,num,s,j;
char c;

int main() {
    cin >> n;
    for (i=1;i<=n;i++) {
        cin >> c;
        if (c=='A') {
            a[i]=1;
            v[i]=1;
        }
        else if (c>='2' && c<='9') {
            a[i]=c-'0';
            v[i]=c-'0';
        }
        else if (c=='T') {
            a[i]=10;
            v[i]=10;
        }
        else if (c=='J') {
            a[i]=11;
            v[i]=10;
        }
        else if (c=='Q') {
            a[i]=12;
            v[i]=10;
        }
        else if (c=='K') {
            a[i]=13;
            v[i]=10;
        }
    }
    for (i=1;i<=n;i++) {
        cnt[a[i]]++;
    }
    dp[0][0]=1;
    for (i=1;i<=n;i++) {
        for (j=0;j<=15;j++) {
            dp[i][j]=dp[i-1][j];
            if (j-v[i]>=0) {
                dp[i][j]+=dp[i-1][j-v[i]];
            }
        }
    }
    // for (i=1;i<=n;i++) {
    //     for (j=1;j<=15;j++) {
    //         cout << dp[i][j] << ' ';
    //     }

    //     cout << endl;
    // }
    // cout << endl;
    score1=dp[n][15]*2;
    for (i=1;i<=13;i++) {
        if (cnt[i]>=2) {
            score2+=cnt[i]*(cnt[i]-1)/2;
        }
    }
    score2*=2;
    s=1;
    for (i=1;i<=13;i++) {
        if (cnt[i]==0) {
            score3+=s*num;
            s=1;
            num=0;
        }
        else {
            s*=cnt[i];
            num++;
        }
    }
    score3+=s*num;
    // cout << score1 << ' ' << score2 << ' ' << score3 << endl;
    cout << score1+score2+score3 << endl;
}