import acm.program.*;
import acm.util.RandomGenerator;

	public class Loop extends Program{

		public void run() {

			RandomGenerator rgen = RandomGenerator.getInstance();
			rgen.setSeed(System.nanoTime());
			println("Give me a non negative integer:");
		  int n = readInt();
		   while (n<0){
			   println("Give me a non negative integer:");
          		 n = readInt();
		   }
		    int i = 1;
			int c = 0;
			int d = 0;
			println("Give me an integer ,other than zero");
			int x = readInt();
			if(x==0){
			println("Illegal Input" );
			int a = factorial(i,n);
			int b = power(i,n,x);
			println("Factorial: " + a + "Power: " + b);
			/* results of 5a and 5b*/
			double y = System.nanoTime();
			int k = rgen.nextInt(-1,1);
			int j =1;
			while( j < 1000000) {
			c = power(i,k,j)/factorial(i,j)+c;
			d = (power(i,-1,n)*power(i,k,2*n+1)/factorial(i,2*n+1))+d;
			 j = j+1;
			}
			double l = System.nanoTime();
			double z = l - y;
			println("The base of e in the power of x equals: " + c);
			println("The sinus of x equals: " + d);
			println("Total Time equals: " + z);
			}
				}

		  public int factorial(int a, int b) {
			  int product = 1;
			  while (a<=b) {
				  product = product * a;
				  a = a + 1;
				  }
			  return product;
		        }

		  public int power(int a, int b, int c){
			  int product =1;
			if(b == 0) {
				product = 0 ;
				println ("Illegal Input");
			  while (a<=b) {
				 product = product * c;
				a = a + 1;
				}
			}
			  return product;
			  }
		  }