三种结果各是什么

运行下面这段程序，填写它打印出来的结果。

PAGE = 16
PT = {0: (3, "r"), 1: (0, "rw")}

def check(va, want):
    vp = va // PAGE
    if vp not in PT:
        return "缺页"
    pp, perm = PT[vp]
    if want not in perm:
        return "拒绝"
    return "通过"

print(check(20, "r") + "/" + check(5, "w") + "/" + check(50, "r"))