const total_attempts = 15000000;
var successful_attempts = 0;

var get_random = () => {
	return Math.floor(Math.random() * 256);
}

for (var i = 0; i < total_attempts; i++)
{
	/*
	var a = Math.floor(Math.random() * 256);
	var b = Math.floor(Math.random() * 256);
	var c = Math.floor(Math.random() * 256);
	*/

	var a = get_random();
	var b = get_random();
	var c = get_random();

	if (a + b + c > 300)
	{
		successful_attempts++;
	}
}

console.log("Iterations: " + total_attempts);
console.log("Successful checks: " + successful_attempts);
console.log("Probability: " + (successful_attempts/total_attempts));