# 为了能够显示缩进,用#开头,代码里把下面的# 去掉,为了少打几个#,用了;写多行,python正式格式不推荐 #p = int(input()) #for _ in range(p): # n = int(input()) # if n < 2: print('No') # elif n < 4: print('Yes') # continue # max_ = int(n**0.5)+2 # for i in range(2, max_): if n % i == 0: print('No'); break # print('Yes')