/* GROUP I
   DARLAN VIVIAN
   EDUARDO A. P. ALCHIERI
   THIAGO MEREGE PEREIRA */

/* I/O PORT B, DATA DIRECTION REGISTER (0 -> in, 1 -> out) */
#define DDRB    (*(volatile unsigned char *)(0x17 + 0x20))

/* I/O PORT B, DATA REGISTER */
#define PORTB   (*(volatile unsigned char *)(0x18 + 0x20))

/* I/O PORT D, INPUT PINS */
#define PIND   (*(volatile unsigned char *)(0x10 + 0x20))

int main(void) {

    /* Set the whole port (all bits) to "output" */
    DDRB = 0xff;

    while(1) {
        	
        /* Turns on the leds as soon as the corresponding buttons are pressed
        PORTB = PIND;
    
    }

    return 0;
}