#include<bits/stdc++.h>
using namespace std;
bool s(int a){
  bool l=1;
  int i;
  for(i=2;i<=a/2;i++){
  	if(a%i==0){
  		l=0;
  		break;}}
  return l;
}
int main(){
  int j,x,i,n;
  cin>>n;
  for(i=4;i<=n;i+=2)
  for(j=2;j<=i/2;j++)
  if(s(j)==1&&s(i-j)==1) cout<<i<<"="<<i-j<<"+"<<j<<endl;
  return 0;
  } 
/**************************************************************
	Problem: 1135
	User: wtq001
	Language: C++
	Result: Wrong Answer
****************************************************************/