#include<bits/stdc++.h>
using namespace std ;

int n ;

bool zhi( int n )
{
	for( int i = 2 ; i * i <= n ; i++ )
		if( n % i == 0 )
			return false ;
	return true ; 
}

int main()
{
	cin >> n ;
	for( int i = 4 ; i <= n ; i += 2 )
		for( int j = 2 ; j <= i ; j++ )
			for( int k = 2 ; k <= ( i - j ) ; k++ )
				if( zhi( j ) && zhi( k ) && j + k == i && j <= k )
					cout << i << "=" << j << "+" << k << "\n" ;
}