#include"ECEN.h"
void setup() {
  volatile char*dirf,*dirk;
  dirf=0x30;
  *dirf=0xFF;
  dirk=0x107;
  *dirk=0x00;

  char s,count=4,rem,sum=0;
  char digit[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
  
  while(1){

    
    
    s=input();
    if(s==1 && count==4){
      output(digit[1]);
      count--;
      s=input();
    }
    if(s==1 && count==3){
      output(digit[2]);
      count--;
    }

  
  

}
}

void loop() {
  // put your main code here, to run repeatedly:

}