vf

/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <iostream>

using namespace std;

int main()
{
    int lx = 7;
    int ly = 10;
    int lz = 17;
    int S = (lx + ly + lz);
    for (int K = 0; K < 1000;++K){
        int one = K * S;
        int add = S / 8;
        if (S % 8 != 0) add++;
        one += K * add;

        int two = K * S;
        int plus = (K*S) / 8;
        if ( (K*S) % 8 != 0) plus++;
        two += K * plus;

        if (two - one == 26 * 8){
            cout<<"K min = "<<K<<'\n';
            break;
        }
    }


}