<?php

class Car
{
    private $model;
    private $engines;
    private $weight;
    private $color;

    public function __construct(string $model, Engine $engines, string $weight, string $color)
    {
        $this->model = $model;
        $this->engines = $engines;
        $this->weight = $weight;
        $this->color = $color;
    }

    public function getModel(): string
    {
        return $this->model;
    }

    public function getEngine(): Engine
    {
        return $this->engines;
    }

    public function getWeight(): string
    {
        return $this->weight;
    }

    public function getColor(): string
    {
        return $this->color;
    }

}

class Engine
{
    private $model;
    private $power;
    private $displacement;
    private $efficiency;

    public function __construct(string $model, int $power, string $displacement, string $efficiency)
    {
        $this->model = $model;
        $this->power = $power;
        $this->displacement = $displacement;
        $this->efficiency = $efficiency;
    }

    public function getModel(): string
    {
        return $this->model;
    }

    public function getPower(): int
    {
        return $this->power;
    }

    public function getDisplacement(): string
    {
        return $this->displacement;
    }

    public function getEfficiency(): string
    {
        return $this->efficiency;
    }

}

$carList = [];
$engineList = [];
$n = intval(readline());
while ($n-- > 0) {
    $input = explode(" ", readline());
    $model = $input[0];
    $power = intval($input[1]);
    if (count($input) == 4) {
        $displacement = $input[2];
        $efficency = $input[3];
    } else if (count($input) == 3) {
        try {
            $displacement = "n/a";
            $efficency = $input[2];
        } catch (Exception $e) {
            $displacement = $input[2];
            $efficency = "n/a";
        }
    }
    $engines = new Engine($model, $power, $displacement, $efficency);
    $engineList[] = $engines;
}
$m = intval(readline());
while ($m-- > 0) {
    $input = explode(" ", readline());
    $model = $input[0];
    $engineName = $input[1];
    if (count($input) == 4) {
        $weight = $input[2];
        $color = $input[3];
    } else if (count($input) == 3) {
        try {
            $weight = "n/a";
            $color = $input[2];
        } catch (Exception $e) {
            $weight = $input[2];
            $color = "n/a";
        }
    }
    if (key_exists($engineName, $engineList)) {
        $current = '';
    }
    $carsCurrent = new Car($model, $engineName, $weight, $color);
    $carList[] = $carsCurrent;
}