#include<iostream>
#include<iomanip>
#include<string>
using namespace std;
int main (){
     temp;
    string type;
    cin>>temp;
    cin>>type;
    if (temp < 0 || temp > 100){
        cout<<"Invalid input";
        return 0;
    }
    double result;
    if(type=="celsius"){
        float result = (temp*9/5)+32;
        cout<<fixed<<setprecision(2)<<result;
    }
    else if(type=="Fahrenheit"){
        float result = (temp - 32)* 5/9;
        cout<<fixed<<setprecision(2)<<result;
    }
    else{
        cout<<"Invalid input";
    }
    return 0;
}