def evaluate_values(fuel, water, feritizer, seeds, fields_with_plants, k):
    fields_to_sow = 0
    fields_to_water = 0
    fields_to_feritize = 0
    fields_to_harvest = 0
    width = settings.Field.horizontal_count()
    height = settings.Field.vertical_count()
    ans = 0
    for i in range(width):
        for j in range(height):
            if fields_with_plants[i][j] == 'potato_empty' or fields_with_plants[i][j] == 'carrot_empty' or \
                    fields_with_plants[i][j] == 'wheat_empty':
                fields_to_sow += 1
            elif fields_with_plants[i][j] == 'potato_sow' or fields_with_plants[i][j] == 'carrot_sow' or \
                    fields_with_plants[i][j] == 'wheat_sow':
                fields_to_water += 1
            elif fields_with_plants[i][j] == 'potato_watered' or fields_with_plants[i][j] == 'carrot_watered' or \
                    fields_with_plants[i][j] == 'wheat_watered':
                fields_to_feritize += 1
            elif fields_with_plants[i][j] == 'potato_feritized' or fields_with_plants[i][j] == 'carrot_feritized' or \
                    fields_with_plants[i][j] == 'wheat_feritized':
                fields_to_harvest += 1
    t = tree.treelearn()
    if water < fields_to_water or feritizer < fields_to_feritize or seeds < fields_to_sow or fuel < 1000:
        return 5
    if tree.make_decision(t, fuel, water, feritizer, 0, 0, 0, 0, 0, seeds):
        return 5
    if fuel > 2000:
        return 0
    if k == 0:
        ans += (fuel) / 30 - fields_to_harvest
        ans += water - fields_to_water
        ans += feritizer - fields_to_feritize - fields_to_water
        ans += seeds - fields_to_harvest - fields_to_sow
    if k == 1:
        ans += water - fields_to_water
        ans += feritizer - fields_to_water - fields_to_feritize
        ans += seeds - fields_to_sow
        ans += (fuel - 1100) / 30 - fields_to_harvest
    if k == 2:
        ans += feritizer - fields_to_feritize
        ans += seeds - fields_to_sow
        ans += (fuel - 800) / 15 - fields_to_feritize - fields_to_harvest
        ans += water - fields_to_water - fields_to_sow
    if k == 3:
        ans += seeds - fields_to_sow
        ans += (fuel - 400) / 30 - fields_to_harvest
        ans += water - fields_to_water - fields_to_sow
        ans += feritizer - fields_to_feritize - fields_to_water - fields_to_sow
    return ans

def fitness(solution, fields_plants, k):
    fuel = solution[0]
    water = solution[1]
    feritizer = solution[2]
    seeds = solution[3]
    if fuel / 30 + water + feritizer + seeds > 200:
        ans = 0
    else:
        ans = evaluate_values(fuel, water, feritizer, seeds, fields_plants, k)
    return ans