.data
ais: .asciiz "a is: "
bis: .asciiz "b is: "
ab1: .asciiz "a + b = "
ab2: .asciiz "a * b = "
nl: .asciiz "\n"

.text
.globl main

printstr:
    li $v0, 4
    syscall
    jr $ra

printint:
    li $v0, 1
    syscall
    jr $ra

getint:
    li $v0, 5
    syscall
    jr $ra

newline:
    li $v0, 4
    la $a0, nl
    syscall
    jr $ra

myfunction:
    add $v0, $a0, $a1
    mul $v1, $a0, $a1
    jr $ra

main:
    sub $sp, $sp, 4
    sw $ra, 0($sp)
    
    li $t0, 5
    li $t1, 4

    la $a0, ais
    jal printstr
    move $a0, $t0
    jal printint
    jal newline

    la $a0, bis
    jal printstr
    move $a0, $t1
    jal printint
    jal newline

    move $a0, $t0
    move $a1, $t1
    jal myfunction
    move $s0, $v0
    move $s1, $v1
    
    la $a0, ab1
    jal printstr
    move $a0, $s0
    jal printint
    jal newline

    la $a0, ab2
    jal printstr
    move $a0, $s1
    jal printint
    jal newline

    lw $ra, 0($sp)
    add $sp, $sp, 4
    jr $ra