Uva1586

#include<stdio.h>
#include<string.h>
int main(){
    int times,str_length,flag,i,j,number;
    float sum,atom;
    char str[100];
    scanf("%d",&times);
    while(times--){
        sum=0;
        atom=0;
        scanf("%s",str);
        str_length=strlen(str);
        for(i=0;i<str_length;i++){
            if(str[i]>='A' && str[i]<='Z'){
                if(atom)sum+=atom;
                switch(str[i]){
                    case 'C':{atom=12.01;break;}
                    case 'H':{atom=1.008;break;}
                    case 'O':{atom=16.00;break;}
                    case 'N':{atom=14.01;break;}
                }
            }
            else if(str[i]>='1'&&str[i]<='9'){
                number=str[i]-'0';
                while(str[i+1]>='1'&&str[i+1]<='9'&&(i+1)<=str_length){
                    number*=10;
                    number=number+str[i+1]-'0';
                    i++;
                }
                sum=sum+number*atom;
                atom=0;
                number=0;
            }

        }
    sum+=atom;
    printf("%.3lf\n",sum);
    }
    return 0;
}