function findlargest(num1, num2, num3)
{
    if (num1 > num2 && num1 > num3)
    {
        console.log("num1 is largest.");
    }
    else if (num2 > num1 && num2 > num3)
    {
        console.log("num2 is largest.");
    }
    else
    {
        console.log("num3 is largest.");
    }
}
const num1 = 70;
const num2 = 90;
const num3 = 100;
findlargest(num1, num2, num3);