#include<bits/stdc++.h>
using namespace std;
bool ss(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;
		 	break;
	    	}
		
		}
	}
	return r;
}
int main(){
	int n;
	cin>>n;
	for(int i=4;i<=n;i+=2){
		for(int j=1;j<=i/2;j++){
			if(ss(j)&&ss(i-j)) 
			cout<<i<<"="<<j<<"+"<<i-j<<endl;
		}
	}
}
/**************************************************************
	Problem: 1135
	User: huxuanchen
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/