# X<2*10**6と小さいので全探索して間に合うのでは

X = int(input())
count = [0]*(X+1)

# 約数の個数を数えるだけに改造
def divisors_count(n):
    lower_divisors , upper_divisors = 0, 0
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors += 1
            if i != n // i:
                upper_divisors += 1
        i += 1
    return lower_divisors + upper_divisors

for x in range(1, X+1):
    calc = divisors_count(x)
    count[x] = calc

#print(count)

ans_list = []
mn = 10**10

for i in range(1, X):
    j = X-i
    if i > j:
        break
    
    calc = abs(i-count[i]-j+count[j])
    #print('i', i, 'j', j, 'calc', calc)
    if calc < mn:
        mn = calc
        if i != j:
            ans_list = [(i, j), (j, i)]
        else:
            ans_list = [(i, j)]
    elif calc == mn:
        if i != j:
            ans_list.append((i, j))
            ans_list.append((j, i))
        else:
            ans_list.append((i, j))
        
ans_list.sort()
#print(mn)
#print(ans_list)

for i, j in ans_list:
    print(i, j)