Функция не выполняет изменение переменной, на нажатие левой клавиши мыши

#include <allegro5\allegro.h>
#include <allegro5\allegro_font.h>
#include <allegro5\allegro_ttf.h>
#include <allegro5\allegro_native_dialog.h>
 
int A[3] = { 0, 0, 0 };
 
 
void SECOND( ALLEGRO_EVENT * ev, ALLEGRO_FONT * font_consola_24 ){
    if ( ev->type == ALLEGRO_EVENT_MOUSE_BUTTON_UP && ev->mouse.button == 1 )
        A[3] = 10;
    al_draw_textf( font_consola_24, al_map_rgb( 0, 255, 50 ), 250, 350, ALLEGRO_ALIGN_LEFT, "Third: %i", A[2] );
}
 
void FIRST( ALLEGRO_EVENT * ev, ALLEGRO_FONT * font_consola_24 ){
    if ( ev->type == ALLEGRO_EVENT_MOUSE_BUTTON_UP && ev->mouse.button == 1 )
        A[1] = 10;
    al_draw_textf( font_consola_24, al_map_rgb( 0, 255, 50 ), 250, 300, ALLEGRO_ALIGN_LEFT, "Second: %i", A[1] );
    SECOND( ev, font_consola_24 );
}
 
 
 
 
int main( int argc, char **argv){
    /*
    ========================================
    Инициализация констант
    ========================================
    */
 
    const int WIGHT = 640;
    const int HEIGHT = 480;
 
    /*
    ========================================
    Инициализация переменных аллегро
    ========================================
    */
 
    ALLEGRO_DISPLAY * display = NULL;
    ALLEGRO_EVENT_QUEUE * event_queue = NULL;
 
    if ( !al_init() ){
        al_show_native_message_box( NULL, "Error", "Error",
                                    "Failed to initialize ALLEGRO!", NULL, ALLEGRO_MESSAGEBOX_ERROR );
        return -1;
    }
 
    display = al_create_display( WIGHT, HEIGHT );
 
    if ( !display ){
        al_show_native_message_box( NULL, "Error", "Error",
                                    "Failed to initialize DISPLAY!", NULL, ALLEGRO_MESSAGEBOX_ERROR );
        return -1;
    }
 
    event_queue = al_create_event_queue();
 
    /*
    ========================================
    Инициализация эл-тов аллегро
    ========================================
    */
 
    //al_init_primitives_addon();
    al_install_mouse();
    al_install_keyboard();
    al_init_font_addon();
    al_init_ttf_addon();
 
    al_register_event_source( event_queue, al_get_display_event_source( display ) );
    al_register_event_source( event_queue, al_get_keyboard_event_source() );
    al_register_event_source( event_queue, al_get_mouse_event_source() );
 
    ALLEGRO_FONT * font_consola_24 = al_load_font( "consola.ttf", 24, 0 );
 
    /*
    ========================================
    Основная программа
    ========================================
    */
 
    bool done = false;
 
    while ( !done ){
        ALLEGRO_EVENT ev;
        al_wait_for_event_timed( event_queue, &ev, 0.001 );
        al_clear_to_color( al_map_rgb( 0, 0, 0 ) );
 
        al_draw_textf( font_consola_24, al_map_rgb( 0, 255, 50 ), 250, 250, ALLEGRO_ALIGN_LEFT, "First: %i", A[0] );
        
        
 
        if ( ev.type == ALLEGRO_EVENT_MOUSE_BUTTON_UP && ev.mouse.button == 1 )
            A[0] = 10;
 
        FIRST( &ev, font_consola_24 );
 
        al_flip_display();
 
        if ( ev.type == ALLEGRO_EVENT_KEY_DOWN && ev.keyboard.keycode == ALLEGRO_KEY_ESCAPE || ev.type == ALLEGRO_EVENT_DISPLAY_CLOSE )
            done = !done;
    }
 
    al_destroy_display( display );
    al_destroy_event_queue( event_queue );
    return 0;
}