#include <bits/stdc++.h>

using namespace std;

int main()
{
    freopen("division.in", "r", stdin);
    freopen("division.out", "w", stdout);
    ios::sync_with_stdio(0);
    int n;
    cin >> n;
    int o = n / 3;
    int d = 4;
    int mi = max(o - d, 1);
    int ma = min(o + d, n);
    long long ans = (long long) n * n;
    long long q1, q2, q3 = 0, a, b, c;
    for ( a = mi; a <= ma; a++ )
        for ( b = a + 1; b <= ma; b++ )
            for ( c = b + 1; c <= ma; c++ )
                if (a + b + c == n && a * a + b * b + c * c < ans)
                {
                    ans = a * a + b * b + c * c;
                    q1 = a;
                    q2 = b;
                    q3 = c;
                }
    cout << q1 << " " << q2 << " " << q3;
}