输入一串字符，只包含“0-10”和“，”找出其中最小的数字和最大的数字（可能不止一个），输出最后剩余数字个数。-Enter a string of characters that contains only " 0-10"　and " ,"　to find out where the minimum and maximum number of figures (may be more than one), the output last remaining digits.