a = int(input('alle primtall over: '))
primtall = [2,3,5,7,11,13,17,19]

if a % 2 == 0:
    a += 1

while True:
    p = True
    i = 0
    while i < (len(primtall)):
        if a % primtall[i] == 0:
            p = False
            a = a + 2
            break
        i += 1
    if p == True:
        b = max(primtall)
        while b < a/2:
            b += 2
            if a % b == 0:
                primtall.extend([b])
                p = False
                break
        
    if p == True:
        print(a,end=', ')
        a += 2