.data
	_v: .word 9,8,7,6,5,4,3,2,1,-1
	_k: .word 2
	
.text
.globl main
main:

la $a0,_v
lw $a1,_k

swap:

sll $t0,$a1,2
add $t0,$t0,$a0

lw $t1,0($t0)
lw $t2,4($t0)

sw $t1,4($t0)
sw $t2,0($t0)

jr $ra