li $a0, 3
li $a1, 5
jal sum1
j telos

sum1:
li $s0,0
add $t0,$a0,$zero
move $v0,$zero
while:
slt $t1,$a1,$t0  #k<n
beq $t1,$zero,nafsi
j telos1



telos1 :
add $v0,$s0,$zero
j end


nafsi:
add $s0,$s0,$t0
addi $t0,$t0,1
j while

end:
jr $ra


telos: