#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    for (i=1;i<=n/3;i++) {
        for (j=i;j<=(n-i)/2;j++) {
            int k=n-i-j;
            if (k>=j){
                cout<<n<<"="<<i<<"+"<<j<<"+"<<k<<endl;
            }
        }
    }
}    
/**************************************************************
	Problem: 1516
	User: yangjunwen
	Language: C++
	Result: Compile Error
****************************************************************/