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