diff --git a/2ano/1semestre/ac1/aula03/ex2.asm b/2ano/1semestre/ac1/aula03/ex2.asm
index 664d701..a87e470 100644
--- a/2ano/1semestre/ac1/aula03/ex2.asm
+++ b/2ano/1semestre/ac1/aula03/ex2.asm
@@ -11,6 +11,7 @@ str2:   .asciiz "O numero em binario e: "
 # valor: $t0
 # bit: $t1
 # i: $t2
+# flag: $t4
 
 main:	la      $a0, str1
         li      $v0, print_string
@@ -29,17 +30,22 @@ main:	la      $a0, str1
 for:    bge     $t2, 32, endfor             # Se i >= 32, termina o ciclo
 	li	$t3,0x80000000
         and 	$t1, $t0, $t3		    # bit = valor & 0x80000000
+	beq	$t4, 0, if1_2
+	beq	$t4, 1, if2
 
-if:     beq     $t1, 0, else                # Se bit == 0, salta para else
+if1_2:	beq	$t1, 0, endif1
+
+if2:    li	$t4, 1			    # flag = 1;
+	beq     $t1, 0, else2               # Se bit == 0, salta para else
         li      $a0, 1                      # Caso contrario, imprime 1
-        j       endif
+        j       endif2
 
-else:   li      $a0, 0                      # Imprime 0
+else2:  li      $a0, 0                      # Imprime 0
 
-endif:  li      $v0, print_int
+endif2: li      $v0, print_int
         syscall                             # Imprime o valor de a0
         
-        sll     $t0, $t0, 1                 # valor = valor << 1
+endif1:	sll     $t0, $t0, 1                 # valor = valor << 1
 
         addi    $t2,$t2,1                   # i+=1
         j       for