#include <iostream>
#include <iomanip>
using namespace std;

int main() {
	// your code goes here
	double pi = 3.14159265358979;
	cout << std::setprecision(32) << pi << endl;
	
	char buffer3[32];
	sprintf(buffer3, "%.20f", pi);
	cout << buffer3;
	
	return 0;
}