#include<bits/stdc++.h>
using namespace std;
bool s(int n){
	bool r=true;
	if(n<2){
		r=false;
	}else{
		for(int i=2;i<=sqrt(n);i++){
			if(n%i==0){
				r=false;
			}
		}
	}
	return r;
}
int main(){
	int n,a;
	cin>>n;
	for(int i=4;i<=n;i=i+2){
		for(int j=1;j<=i/2;j++){
			a=i-j;
			if(s(a)&&s(j)){
				cout<<i<<"="<<j<<"+"<<a<<endl;}
		}
	}
	return 0;
}
/**************************************************************
	Problem: 1135
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/