var n = 10;

for(i=1;i<=n;i++){

for(j=0;j<2*(n-i);j++)
	document.write("&nbsp;");

for(k=n-i;k<n;k++)
	document.write("#");

	document.write("&nbsp;");
	document.write("&nbsp;");

for(k=n-i;k<n;k++)
		document.write("#");

document.write("<br>");

}



var a = prompt("a",1);
var b = prompt("b",1);
var c = prompt("c",1);
var x = prompt("x",1);

document.write(x / (Math.pow(x,3) + ( 0.1 / (Math.pow(x,3)+(0.01/
(Math.pow(x,3)+0.001)))))

);