For a two-digit number, the sum of the tens digit and the ones digit is 10, the difference between the digits is 4, and the ones digit is less than the tens digit, what is the two numbers?
一个两位数，十位数字与个位数字之和是10，数字之差是4，且个位数字小于十位数字，这个两数是多少？
<result>73</result>