#include<bits/stdc++.h>
using namespace std;
bool s(int j){
	bool f;
	f=true;
	if(j<2) f=false;
	for(int i=2;i<=sqrt(j);i++){
		if(j%i==0){
			f=false;
		}
	}
	return f;
}
int main() {
	int n;
	cin>>n;
	for(int i=4;i<=n;i+=2){
		for(int j=2;j<=i/2;j++){
			if(s(j)&&s(i-j)) cout<<i<<"="<<j<<"+"<<i-j<<endl;
		}
	}
	return 0;
}

/**************************************************************
	Problem: 1135
	User: zhangziang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/