.data
yeu: .asciiz "Yeu"
trungbinh: .asciiz "Trung binh"
kha: .asciiz "Kha"
gioi: .asciiz "Gioi"
xuatsac: .asciiz "Xuat sac"
str1: .asciiz "Nhap so nguyen: "

.text
.globl	main
main:	

#Nhap so nguyen
	addi $v0, $0, 5
	syscall
	add $s0, $v0,$0


#if
	slti $s3,$s0,5		
	beq $s3,$zero,hstb
	addi $v0,$0,-4 
	la $a0, yeu 
	syscall
	j exit 

hstb:	
	slti $s3,$s0,7 
	beq $s3,$zero,hskha
	addi $v0, $0, -4
	la $a0, trungbinh 
	syscall
	j exit
hskha:
	slti $s3,$s0,9
	beq $s3,$zero,hsgioi
	addi $v0, $0, -4
	la $a0, kha  
	syscall
	j exit		
	
hsgioi:
	li $t9, 9
	bne $s3, $t9, else
	addi $v0, $0, -4
	la $a0, gioi
	syscall
	j exit	
	
else:
	addi $v0, $0, -4
	la $a0, xuatsac  
	syscall
	j exit	


	




exit:
	addi $v0, $zero, 10
	syscall