.text
.global inbox

inbox:

push {lr}
//sub sp, sp, #24

//ldr r0, [sp]
//ldr r1, [sp, #4]
//ldr r2, [sp, #8]
//ldr r3, [sp, #12]
ldr r4, [sp]
ldr r5, [sp, #4]


cmp r4, r0
  blt fail

cmp r5, r1
  blt fail

cmp r4, r2
  bgt fail

cmp r5, r3
  bgt fail

mov r0, #1

//cmp r0, #0
//  bne succeed
fail:
  mov r0, #0
  b end
//succeed:
//  mov r0, #1

end:
  pop {lr}
  mov pc, lr