#include <avr/io.h>
#define F_CPU 16000000UL
#include <util/delay.h>
#include <avr/interrupt.h>
//
void putchar0(char c){ while(!(UCSR0A & (1<<UDRE0))); UDR0=c; }
char getchar0(){ while (!(UCSR0A & (1<<RXC0))); return(UDR0); }
//
int main(){
  unsigned char value,FND[]={0x3F,0X06,0X5B,0X4F,0X66,0X6D,0X7C,0X07,0X7F,0X67}; 
  DDRC=0xff; 
  DDRG=0x0f; 
  UCSR0B=0x18; UBRR0L=103; 
  while(1){
    value=getchar0()&0x0F;
    putchar0(value);
    PORTC=FND[value]; PORTG=0x01;
  }
}