#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
using namespace std;
int main(){
double left,right,x,ans,eps;
eps=1e-10;
cin>>x;
left=0;
right=x;
while(right-left>=eps){
ans=((left+right)/2)*((left+right)/2);
if(ans>x){
right=(left+right)/2;
}else{
left=(left+right)/2;
}
}
cout << left << " " << right<<endl;
cout<<setprecision(2)<<fixed<<left;
//(left+right)/2;
return 0;
}
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