#include <bits/stdc++.h>
using namespace std;
#define accelerate ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define endl "\n";
#define mod 12345
#define ll long long
#define PII pair<int,int>
#define INF 0x3f3f3f3f
const int N=1e2+10;
ll n,m,k,x,y,T;
bool susu(int x){
	if(x==1||x==0) return 0;
	for(int i=2;i*i<=x;i++){
		if(x%i==0) return 0;
	}
	return 1;
}
int main(){
	accelerate;
	cin>>n;
	for(int i=4;i<=n;i+=2){
		for(int j=2;j<=i/2;j++){
			if(susu(j)&&susu(i-j)){
				cout<<i<<"="<<j<<"+"<<i-j<<endl;
			}
		}
	}
	return 0;
}