#include <bits/stdc++.h>
using namespace std;
bool zs(int a){
	if(a==1||a==0)return 0;
	for(int i=2;i<a;i++)if(a%i==0)return 0;
	return 1;
}
int main(){
	int ii;
	cin>>ii;
	for(int q=4;q<=ii;q+=2){
		
		for(int iii=2;iii<=q/2;iii++){
			if(zs(iii)&&zs(q-iii))printf("%d=%d+%d\n",q,iii,q-iii);
		}
	}
	return 0;
}

/**************************************************************
	Problem: 1135
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2076 kb
****************************************************************/