Simple || 31 ms || Python || Beats 86% || Easy to understand
\nclass Solution:\n    def minimumSum(self, num: int) -> int:\n        s = list(str(num))\n        s.sort()\n        s1 = s[0]+s[2]\n        s2 = s[1]+s[3]\n   
```\nclass Solution:\n    def minimumSum(self, num: int) -> int:\n        s = list(str(num))\n        s.sort()\n        s1 = s[0]+s[2]\n        s2 = s[1]+s[3]\n        sum = int(s1)+int(s2)\n            \n        return sum\n```\t\t
['Python']