#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdint.h>
#include <avr/delay.h>
#define INT1 PIND7
DDRC = (1 << DDC3)|(1 << DDC2);
#define Start 2

ISR(INT1_vect)
{
PORTC = PINC ^ ( 1 << Start);
_delay_ms(1000);
}

int main (void)

{
sei();

MCUCR=12;
GIMSK=128;

PIND =1<<PIND7;


}