#include<bits/stdc++.h>
using namespace std;
signed main() {
    double n;
    cin >> n;
    printf("%f\n", n);
    printf("%.5f\n", n);
    printf("%e\n", n);
    printf("%g\n", n);
    return 0;
}

#include <bits/stdc++.h>
#define yy return 0;
using namespace std;
double k;
int main(){cin >> k;printf("%f\n%.5f\n%e\n%g", k, k, k, k);yy}

#include <bits/stdc++.h> using namespace std; double k; int main() {

cin >> k;
printf("%f\n%.5f\n%e\n%g", k, k, k, k);
return 0;

}

#include <bits/stdc++.h> using namespace std; double k; int main() { cin >> k; printf("%f\n%.5f\n%e\n%g", k, k, k, k); return 0; }