Edwing Alarcon

console.log(numbers())

function biggerNumber(a, b){
	if(a > b){
		return a;
	}
	return b;
}

function numbers(){
	a = parseInt(prompt("First number"));
	b = parseInt(prompt("Second number"));
	c = parseInt(prompt("Third number"));
	d = parseInt(prompt("Fourth number"));
	return biggerNumber(biggerNumber(a, b), biggerNumber(c, d));
}