#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
 int a;
 float c,f;
 cin>>a;
 if(a>0)
 {
 f=(1.8*a)+32;
 c=(f-32)*(0.5);
 cout<<fixed<<setprecision(2)<<f<<endl;
 cout<<fixed<<setprecision(2)<<c<<endl;
 
 }
 else
 {
     cout<<"Inavalid input"
 }
}