//1_4_2: Humidex 湿热指数,温度和露点之间的关系 POJ3299
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
double get_hum(double tem,double dew)
{
return tem + 0.5555 * (6.11 * exp(5417.7530 * ((1 / 273.16) - (1 / (dew + 273.16)))) - 10.0);
}
double get_tem(double hum,double dew)
{
return hum - 0.5555 * (6.11 * exp(5417.7530 * ((1 / 273.16) - (1 / (dew + 273.16)))) - 10.0);
}
double get_dew(double hum,double tem)
{
return 1 / ((1 / 273.16) - log(((hum - tem) / 0.5555 + 10) / 6.11) / 5417.7530) - 273.16;
}
int main()
{
char A,B,enter;
double Hum,Tem,Dew,a,b;
while(1)
{
scanf("%c",&A);
if(A == 'E') break;
Hum = Tem = Dew = -9999;
scanf("%lf %c %lf%c",&a,&B,&b,&enter);
if(A == 'T') Tem = a;
if(A == 'D') Dew = a;
if(A == 'H') Hum = a;
if(B