//purpose simultest the tossing of a coin using math.random(). We will have Math.Random(); generate a 1 or a 2 to stand for heads or tails.
import java.util.Scanner;
public class CoinFlip {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);

		//explain
		System.out.println("This program will simulate the flipping of a coin.");
		System.out.print("How many tosses do you want to simulate.");
		long numTosses = input.nextLong();

		//create accumulators to hold results
		long numHeads = 0;
		long numTails = 0;

		// loop for however many times the user inputed.

		for(long i = 1; i <= numTosses; i++) {
			int tossResult = (int)(Math.random() * 2 + 1);

			//assign to appropriate accumulator
			if(tossResult == 1) {
				numHeads++;
			}else if(tossResult == 2) {
				numTails++;
			}else {
				System.out.println("Error.");
			}
		}
		System.out.println("\nNum Tosses: " + numTosses);
		System.out.println("\nNum Tosses that were heads: " + numHeads);
		System.out.println("\nNum Tosses that were tails: " + numTails);

		//work the percentages of each
		double percentHeads = 0.0;
		double percentTails = 0.0;
		percentHeads = (double)numHeads / numTosses * 100;
		percentTails = (double)numTails / numTosses * 100;

		System.out.println("\nPercentage of heads was: " + percentHeads + "%");
		System.out.println("\nPercentage of tails was: " + percentTails + "%");

	}

}