import java.util.Scanner;
public class sc {

	    private static Scanner in;

		public static void main(String[] args) {
	    	in = new Scanner(System.in);
	    	double x=in.nextDouble();
	        double a = Math.toRadians(x);
	        double sina= Math.sin(a);
	        double cosa= Math.cos(a);
	        System.out.println("sin :"+sina);       
	        System.out.println("cos :"+cosa);
	        System.out.println("tan :"+Math.tan(a));
	        double cota=sina/cosa;
	        System.out.println("cot :"+cota);

	    }

}