#!/usr/bin/python

import time
t0=time.time()
iter=1

for num1 in range(0,11):
    for num2 in range(0,11):
        for num3 in range(0,11):
            for num4 in range(0,11):
                for num5 in range(0,11):
                    for num6 in range(0,11):
                        for num7 in range(0,11):
                            for num8 in range(0,11):
                                iter +=1
                                l1=300+5*num1+13*num2+9*num3-11*num4+4*num5+11*num6+15*num7+19*num8
                                l2=300+2*num1-7*num2+12*num3+9*num4+17*num5-17*num6+31*num7-12*num8
                                l3=300+num1-4*num2+9*num3+12*num5+21*num6+22*num7 +4*num8
                                l4=300+7*num1+num2+70*num3+5*num4+9*num5+5*num6-12*num7+3*num8
                                l5=300+5*num1+5*num2-4*num3-13*num4+24*num5+14*num6+3*num7-17*num8
                                if (l1==400 and l2==400 & l3==400 & l4==400 and l5==400):
                                    print num1,num2,num3,num4,num5,num6,num7,num8
                                    tempo=time.time()-t0
                                    print 'Sec trascorsi %f' % tempo
                                    print 'Iterazioni necessarie %d' % iter