Timerr() // set Timer
 {
 k=1;
 minutes=0;
 while(K!=6)
 {
   if(inc==0)
      {
      Lcd_Cmd(0xc0);
      Lcd_Out_Cp(minutes++);
      }

    if(dec==0)
      {
       minutes--;
       Lcd_Cmd(0xc3);
       Lcd_Out_Cp(minutes);
      }
      
   if(next==0)
   {k=6;while(next==0);}
  }
}