// findpi.java
//
// find pi by using
// the old random number trick
//
//


import java.math.*;

public class findpi extends Object
{
	public static void main( String[] a)
	{
		double in,out;
		int i;

		in = 0;
		out = 0.;
		while( out < 1.e7)
		{
		double x,y;
			for(i=0; i< 10000; i++)
			{
				x = Math.random();
				y = Math.random();
				x = x*x + y*y;
				out += 1.;
				if( x < 1.) in += 1.;
			}
		System.out.println( "Pi 3.14159265 "+ in/out*4. +" at "+out+" Tries");
		}
// here does x or y mean anything?

	}

}