def snt(n):
    if n<2: return False
    for i in range(2,int(n**0.5)+1):
        if n%i==0: return False
    return True
def dao(n):
    if n<10: return True
    while n>0:
        if snt(n%10):
            n//=10
        else:
            return False
    return True    
n=int(input())
for i in range(2,n+1):
    if dao(i) and snt(i):
        print(i,end=' ')