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

    return 0;
}
/**************************************************************
	Problem: 1135
	User: 15159808820
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/