def yuesum(a):
    cnt=0
    for i in range(1,a):
        if a%i==0:
            cnt+=i
    return cnt
s=int(input())
i=s
while i>=s:
    if yuesum(i)!=i:
        if yuesum(yuesum(i))==i:
            print(i,yuesum(i))
            break
    i+=1