X=int(input())

D=[1]*(2*10**6+1)
for i in range(2,2*10**6+1):
    for j in range(i,2*10**6+1,i):
        D[j]+=1

ANS=[0]*(X//2+2)
for i in range(X//2+2):
    ANS[i]=abs((i-D[i])-((X-i)-(D[X-i])))

MIN=min(ANS)

A=[]
for i in range(X//2+1):
    if ANS[i]==MIN:
        A.append((i,X-i))
        A.append((X-i,i))

for x,y in sorted(set(A)):
    print(x,y)