loadi R0 0          
loadi R1 2        
loadi R2 2
loadi R3 1        
loadi R4 0
jnz   R2 9        
loadi R0 1          
loadi R2 1         
jnz   R2 13
add   R0 R0 R1      
sub   R2 R2 R3
xor   R1 R0 R4
jnz   R2 9
halt