#include <bits/stdc++.h>
#include<atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=20000000;
ll mod=998244353;
int main(){
    ll n;
    cin >> n;
    vector<ll>a,b,c;
    for (ll i = 0; i*i*3<n; i++)
    {
        for (ll j = i+1; j >=0; j++)
        {
            if (i*j*2+j*j>=n)
            {
                break;
            }
            ll left=j+1,right=n+10;
            while (right-left>1)
            {
                ll mid=(right+left)/2;
                if (i*j+j*mid+i*mid>n)
                {
                    right=mid;
                }else{
                    left=mid;
                }
            }
            if (i*j+i*left+j*left==n)
            {
                a.push_back(i),b.push_back(j),c.push_back(left);
            }
            
        }
    }
    vector<ll>aa,bb,cc;
    for (ll i = 1; i*i*3 < n; i++)
    {
        for (ll j = i+1; j >=0; j++)
        {
            if (i*i+i*j*2==n)
            {
                aa.push_back(i),bb.push_back(i),cc.push_back(j);
                break;
            }else if (i*i+i*j*2>n)
            {
                break;
            }
        }
    }
    vector<ll>aaa,bbb,ccc;
    for (ll i = 0; i*i*3 < n; i++)
    {
        for (ll j = i+1; j >=0; j++)
        {
            if (j*j+i*j*2==n)
            {
                aaa.push_back(i),bbb.push_back(j),ccc.push_back(j);
                break;
            }else if (j*j+i*j*2>n)
            {
                break;
            }
        }
    }
    ll ans=-1;
    for (ll i = 0; i >=0; i++)
    {
        if (i*i*3==n)
        {
            ans=i;
            break;
        }else if (i*i*3>n)
        {
            break;
        }
    }
    ll siz=0;
    siz+=a.size();
    siz*=6;
    ll zz=aa.size();
    zz*=3;
    siz+=zz;
    zz=aaa.size();
    zz*=3;
    siz+=zz;
    if (ans!=-1)
    {
        siz++;
    }
    cout << siz << endl;
    for (ll i = 0; i < a.size(); i++)
    {
        cout << a[i] << ' ' << b[i] << ' ' << c[i] << endl;
        cout << a[i] << ' ' << c[i] << ' ' << b[i] << endl;
        cout << b[i] << ' ' << a[i] << ' ' << c[i] << endl;
        cout << b[i] << ' ' << c[i] << ' ' << a[i] << endl;
        cout << c[i] << ' ' << a[i] << ' ' << b[i] << endl;
        cout << c[i] << ' ' << b[i] << ' ' << a[i] << endl;
    }
    for (ll i = 0; i < aa.size(); i++)
    {
        cout << aa[i] << ' ' << bb[i] << ' ' << cc[i] << endl;
        cout << aa[i] << ' ' << cc[i] << ' ' << bb[i] << endl;
        cout << cc[i] << ' ' << bb[i] << ' ' << aa[i] << endl;
    }
    for (ll i = 0; i < aaa.size(); i++)
    {
        cout << aaa[i] << ' ' << bbb[i] << ' ' << ccc[i] << endl;
        cout << bbb[i] << ' ' << aaa[i] << ' ' << bbb[i] << endl;
        cout << ccc[i] << ' ' << bbb[i] << ' ' << aaa[i] << endl;
    }
    if (ans!=-1)
    {
        cout << ans << ' ' << ans << ' ' << ans << endl;
    }
    
}