void main() { 
   
       trisb.rb0 = 0; 
       portb.rb0 = 0; 
       trisb.rb1 = 0; 
       portb.rb1 = 0; 
   
       trisa.ra6 = 1; 
       porta.RA6 = 0; 
       trisa.ra7 = 1; 
       porta.RA7 = 0; 
   
       while(1){ 
                if(porta.ra6){ 
                     portb.RB0 = 1; 
                }else{ 
                     portb.rb0 = 0; 
                } 
                if(porta.ra7){ 
                     portb.RB1 = 1; 
                }else{ 
                     portb.rb1 = 0; 
                } 
       } 
  }