factorial:
        li $v0, 1
loopTop:        
        bne $a0, $zero, loopBody
        jr $ra
loopBody:
        mul $v0, $v0, $a0
        addi $a0, $a0, -1
        j loopTop

main:
	li $v0, 5
        syscall
        move $a0, $v0
        jal factorial
        move $a0, $v0
	li $v0, 1
        syscall
        li $v0, 4
        la $a0, newline
        .data
newline:
        .asciiz "\n"
        .text
        syscall
        li $v0, 10
        syscall