#include <stdio.h>

#include<iostream>

#include<math.h>

using namespace std;

int primes[]={2,3 ,5, 7, 11, 13, 17, 19, 23 ,29 ,31 ,37, 41, 43, 47 ,53 ,59 ,61,

 67, 71, 73, 79, 83, 89, 97 ,101, 103, 107, 109, 113, 127 ,131, 137,

  139, 149, 151 ,157 ,163, 167, 173 ,179, 181 ,191, 193, 197, 199, 211 ,223 ,227,

  229, 233 ,239, 241, 251 ,257 ,263, 269 ,271, 277 ,281, 283, 293 ,307, 311, 313,

  317, 331, 337, 347, 349, 353, 359, 367, 373, 379 ,383 ,389, 397, 401, 409, 419,

  421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509,

  521, 523, 541, 547, 557, 563, 569 ,571, 577, 587, 593 ,599, 601, 607, 613, 617,

   619, 631, 641 ,643, 647, 653 ,659, 661, 673, 677, 683, 691, 701 ,709, 719, 727,

  733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,

   839, 853 ,857, 859, 863 ,877, 881, 883 ,887, 907 ,911, 919, 929 ,937, 941, 947,

    953, 967, 971, 977, 983, 991, 997, 1009,1013};

bool isprimes(int n)

{

    //bool flag=false;

    for(int i=0;;i++)

    {

        if(primes[i]*primes[i] >n ) //|| primes[i]==1013

        break;

        if(n%primes[i]==0)

        return false;

    }

    return true;

}

int main() {

    int n;

    while (cin>>n) {

        if(n==0) break;

        for (int i = 1;; i++) {

            int p1 = primes[i];

            int p2 = n - primes[i];

            if (isprimes(p1) && isprimes(p2)) {

                printf("%d = %d + %d\n", n, p1, p2);

                break;

            }

        }

    }



    return 0;

}