.data
prompt1: .asciiz "Input a: "
prompt2: .asciiz "Input b: "
output: .asciiz "The sum of a and b is "
nl: .asciiz "\n"

.text
.globl main

# Prints the contents of register $a0
printstr:
    li $v0, 4
    syscall
    jr $ra

printint:
    li $v0, 1
    syscall
    jr $ra

getint:
    li $v0, 5
    syscall
    jr $ra

main:
    sub $sp, $sp, 4
    sw $ra, 0($sp) # Save the return address

    # Prompt for first int
    la $a0, prompt1
    jal printstr # print the prompt
    jal getint # get user input
    move $s0, $v0

    la $a0, prompt2
    jal printstr
    jal getint
    move $s1, $v0

    add $s2, $s0, $s1

    la $a0, output
    jal printstr
    move $a0, $s2
    jal printint
    la $a0, nl
    jal printstr

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