.date

n: .word 5
fant: .word 1
f: .word 1
i: .word 2

.text

lw $t1, n
lw $t2, fant
lw $t3, f
lw $t4, i

WHILE: bgt $t4, $t1, END_WHILE
...  ( faux  = f)
add $t3, $t3, $t2
... (fant = faux)
addi $t4, $t4, 1
j WHILE

END_WHILE: li $v0, 10
syscall