#include <iostream>
#include <stdio.h> /* fflushstdin */
#include <string>

using namespace std;

int main()
{
    int T;
    int i, j, k;
    float cte_C = 0;
    int cte_N = 1;
    int p_10;
    float mass;

    string formula;
    string aux;

    cin >> T;

    while(T)
    {
        fflush(stdin);
        getline(cin, formula);

        mass = 0;

        for(i=0; i < formula.size(); i++)
        {


            switch(formula[i])
            {
                case 'C' : cte_C = 12.01; break;
                case 'H' : cte_C = 1.008; break;
                case 'O' : cte_C = 16.00; break;
                case 'N' : cte_C = 14.01; break;
            }

            j = 0;

            if(formula[i+1] >= '0' && formula[i+1] <= '9'){

                cte_N = 0;

                while(formula[i+1] >= '0' && formula[i+1] <= '9') /* Pegando o Numero */
                {

                    j++;
                    i++;
                }

                p_10 = 1;

                for(k=i; j != 0; j--) /* Multiplicando Invertido */
                {
                    cte_N += p_10 * (formula[k] - 48);
                    k--;
                    p_10 *= 10;
                }
            }

            else{
                cte_N = 1;
            }


            mass += cte_C * cte_N;
        }

        cout << mass << endl;

        T--;
    }

    return 0;
}