def highscores():
    score = int(a[0])
    best = [0,0,0]
    for i in range(1):
        if score > best[0]:
            best[2] = best[1]
            best[1] = best[0]
            best[0] = score
            break
        elif score > best[1]:
            best[2] = best[1]
            best[1] = score
        elif score > best[2]:
            best[2] = score