hdu 4788

#include<stdio.h>
#include<math.h>
int main() {
    int a,i,n,m=0;
    double d=1000;
    char s[30],ch;
    for(i=1;i<=10;i++)
      d/=2;
    int t;
    scanf("%d",&t);
    while(t--) {
        scanf("%s",s);
        n=0;
        for(i=0;s[i];i++) {
            if(s[i]>='0'&&s[i]<='9')
                n=n*10+s[i]-'0';
            else {
                if(s[i]=='[')
                    continue;
                ch=s[i];
                break;
            }
        }
            printf("Case #%d: ",++m);
            if(ch=='B')
                printf("%.2f%%\n",(1-pow(d,0))*100);
            if(ch=='K')
                    printf("%.2f%%\n",(1-pow(d,1))*100);
            if(ch=='M')
                    printf("%.2f%%\n",(1-pow(d,2))*100);
            if(ch=='G')
                    printf("%.2f%%\n",(1-pow(d,3))*100);
            if(ch=='T')
                    printf("%.2f%%\n",(1-pow(d,4))*100);
            if(ch=='P')
                    printf("%.2f%%\n",(1-pow(d,5))*100);
            if(ch=='E')
                    printf("%.2f%%\n",(1-pow(d,6))*100);
            if(ch=='Z')
                    printf("%.2f%%\n",(1-pow(d,7))*100);
            if(ch=='Y')
                    printf("%.2f%%\n",(1-pow(d,8))*100);
    }
    return 0;
}