#include <avr/io.h>          
  
  int main(void) 
  {
    unsigned char temp;
    
    ddrc = 0;    
    ddrb = 0xff;    
    ddrd = 0xff;    
  
    while(1)
    {
      temp = pinc;      //read from pinc 
      if (temp < 100)
        portb = temp;
      else
        portd = temp;
    } 
  
    return 0;
  }