#include <bits/stdc++.h>

using namespace std;
#define maxn 85
char s[maxn];

int main() {
    int T;
    cin >> T;
    while (T--) {
        int num_c = 0, num_h = 0, num_o = 0, num_n = 0;  //分别记录各个化学元素的个数
        float sum;
        cin >> s;
        int n = strlen(s);
        s[n] = 1;
        for (int i = 0; i < n; i++) {
            if (isalpha(s[i])) {  //判断是否是字母
                switch (s[i]) {
                    case 'C':
                        if (isdigit(s[i + 1])) {  //判断字母后面2位是否为数字
                            if (isdigit(s[i + 2])) num_c += (s[i + 1] - '0') * 10 + (s[i + 2] - '0');
                            else num_c += (s[i + 1] - '0');
                        } else num_c++;
                        break;
                    case 'H':
                        if (isdigit(s[i + 1])) {
                            if (isdigit(s[i + 2])) num_h += (s[i + 1] - '0') * 10 + (s[i + 2] - '0');
                            else num_h += (s[i + 1] - '0');
                        } else num_h++;
                        break;
                    case 'O':
                        if (isdigit(s[i + 1])) {
                            if (isdigit(s[i + 2])) num_o += (s[i + 1] - '0') * 10 + (s[i + 2] - '0');
                            else num_o += (s[i + 1] - '0');
                        } else num_o++;
                        break;
                    case 'N':
                        if (isdigit(s[i + 1])) {
                            if (isdigit(s[i + 2])) num_n += (s[i + 1] - '0') * 10 + (s[i + 2] - '0');
                            else num_n += (s[i + 1] - '0');
                        } else num_n++;
                        break;
                    default:
                        break;
                }
            } else continue; //当前数组元素为数字，则直接进入下次循环
        }
        sum = 12.01 * num_c + 1.008 * num_h + 16.00 * num_o + 14.01 * num_n;
        cout << fixed << setprecision(3) << sum << endl;  //小数点后面保留三位数字
    }
    return 0;
}