convert:
    move    $s0, $a0    # to C
    move    $s1, $a1    # number

    li      $s2, 0

    beq     $s0, $s2, toC
    # toF
    mul     $s1, $s1, 9
    div     $s1, $s1, 5
    addi    $s1, $s1, 32
    move    $a1, $s1
    jal     print_num

    jr      $ra

toC:
    addi    $s1, $s1, -32
    mul     $s1, $s1, 5
    div     $s1, $s1, 9
    move    $a1, $s1
    jal     print_num

    jr      $ra

print_num:
    li      $v0, 0
    move    $a0, $a1
    syscall