# ΔΙΑΤΡΕΧΩ ΕΝΑ LOOP ΟΠΥ ΕΧΩ ΕΝΑ LOOP TO ENA ΜΕΣΑ ΣΕ ΑΛΛΟ

poses_fores = 0
for i in range(4,12, 2):
    for j in range (3,10,3):
        for k in range (10,3, -1):
           poses_fores +=1  #poses_fores=poses_fores +1
           print(poses_fores,":","i=",i," j=",j," k=", k)