#include<cstdio>
using namespace std;
int main()
{
	int a=202;
	double b=2323.34345;
	//printf("a=%d\n",a);
	//printf("2*a=%d\n",2*a);
	//printf("a=%2d\n",a);
	printf("%3lf\n",b);
	printf("%20.2lf\n",b);
	printf("%-20.2lf\n",b);
	printf("%.21f\n",b);
	return 0;
}