var x = parseInt(prompt("What is the first number?");
var y = parseInt(prompt("What is the second number?");
var z = parseInt(prompt("What is the third number?");
document.write("The largest number you entered is ", Math.max(x,y,z);
var b = prompt("Enter a number?");
document.write("The reverse of the digits you entered is ");
var len = b.length - 1;
while (len > -1)
cfw_
document.write(b[len]);
len-;