#include <avr/io.h>    		

int main(void) 
{
	
	DDRB = DDRB & 0b11111101;			
	DDRC = DDRC | 0b10000000;			
	
	while(1)
	{
		if (PINB & (0b00000010))		
			PORTC = PORTC |0b10000000;	
		else
			PORTC = PORTC & 0b01111111;	
	} 

	return 0;
}