int main()
{
	int n,i,j,t,p;
	scanf("%d",&n);
	for(i=3;i<=n/2;i++){
		t=0;
		p=0;
		for(j=2;j<=i/2+1;j++){
			while(t==0){
				if(i%j==0)t=1;
				break;	
			}
			if(t==1)break;
		}
		for(j=2;j<=(n-i)/2+1;j++){
			while(p==0){
				if((n-i)%j==0)p=1;
				break;
			}
			if(p==1)break;
		}
		if(t==0&&p==0)printf("%d %d\n",i,n-i);
	}
	return 0;
}