weird27

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

int main()
{
    vector<vector<int>> v(3, vector<int>(3, 0));
    int now = 0;
    while (cin >> now) {
        if (now > v[now % 3][2]) {
            v[now % 3][0] = v[now % 3][1];
            v[now % 3][1] = v[now % 3][2];
            v[now % 3][2] = now;
        }
        else if (now > v[now % 3][1] && now < v[now % 3][2]) {
            v[now % 3][0] = v[now % 3][1];
            v[now % 3][1] = now;
        }
        else if (now > v[now % 3][0] && now < v[now % 3][1]) {
            v[now % 3][0] = now;
        }
    }
    int sum1 = 0, sum2 = 0, sum3 = 0, sum4 = 0;
    if (v[0][0] != 0)
        sum1 = v[0][0] + v[0][1] + v[0][2];
    if (v[1][0] != 0)
        sum2 = v[1][0] + v[1][1] + v[1][2];
    if (v[2][0] != 0)
        sum3 = v[2][0] + v[2][1] + v[2][2];
    if (v[0][2] != 0 && v[1][2] != 0 && v[2][2] != 0)
        sum4 = v[0][2] + v[1][2] + v[2][2];
    cout << max(max(sum1, sum2), max(sum3, sum4));
}