#include<bits/stdc++.h>
using namespace std;
int main(){
    double n;
    cin>>n;
    printf("%f\n",n);
    printf("%.5f\n",n);
    printf("%e\n",n);
    printf("%g\n",n);
}

#include<bits/stdc++.h>
using namespace std;

int main()
{
    double num;
    cin>>num;
    printf("%f\n",num);
    printf("%.5f\n",num);
    printf("%e\n",num);
    printf("%g\n",num);
}