#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
    double t;
    string ty;
    cin>>ty;
    cin>>ty;
    if(ty=="Celsius")
    {
        double r=(t*(9.0/5.0))+32.0;
        cout<<fixed<<setprecision(2)<<r;
}
else if(ty=="Fahrenheut")
{
    double r=(t-32)*5/9;
    cout<<fixed<<setprecision(2)<<r;
}
cout<<"Invalid input";
}
return 0;
}