def amplify(num):
    result = []
    n = 1
    while n < num + 1:
        if not n % 4:
            result.append(n * 10)
        else:
            result.append(n)
        n += 1
    return result

c2ada7586082cc15e34afa966a3d1ad8861d8a46
<mask token>

def amplify(num):
    result = []
    n = 1
    while n < num + 1:
        if not n % 4:
            result.append(n * 10)
        else:
            result.append(n)
        n += 1
    return result
