#include<stdio.h>
int main()
{
int n;
scanf("%d",&n);
for(int i=1;i<=n;i++)
{
double h,s;
char e;
scanf("\n%c %lf",&e,&h);
if(e=='M')
s=h/1.09;
else if(e=='F')
s=h*1.09;
printf("%.2lf\n",s);
}
return 0;
}