Celsius2Fahrenheit2Kelvin

#include <bits/stdc++.h>

using namespace std;
long double n;

char c;

int main()
{
    cin>>n;
    cin.get();
    cin>>c;
    if(c=='C')
    {
        cout<<fixed<<setprecision(2)<<n<<'\n';
        cout<<fixed<<setprecision(2)<<9.0/5.0*n+32<<'\n';
        cout<<fixed<<setprecision(2)<<n+273.15<<'\n';

    }
    else if(c=='F')
    {
        cout<<fixed<<setprecision(2)<<5.0/9.0*(n-32)<<'\n';
        cout<<fixed<<setprecision(2)<<n<<'\n';
        cout<<fixed<<setprecision(2)<<(n+459.67)*5.0/9.0<<'\n';
    }
    else if(c=='K')
    {
        cout<<fixed<<setprecision(2)<<n-273.15<<'\n';
        cout<<fixed<<setprecision(2)<<n*9.0/5.0-459.67<<'\n';
        cout<<fixed<<setprecision(2)<<n<<'\n';
    }
    return 0;
}