#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;
       }
   }
	return 0;
}

/**************************************************************
	Problem: 1135
	User: linyuhang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/