For a four-digit number, the number in the thousands place is 3 greater than the number in the ones place. Swap the number in the thousands place and the number in the ones place to get another four-digit number. It is known that the sum of these two four-digit numbers is 14593, so what is the original four-digit number.
一个四位数，千位上的数比个位上的数大3，交换千位上的数字和个位上的数字得到另一个四位数．已知这两个四位数的和是14593，那么原来的四位数是多少．
<result>8_795</result>