Two Lines DART solution
\n# Code\n\nclass Solution {\n  int minimumSum(int num) {\n    List<String> list = num.toString().split(\'\');\n    list.sort();\n    return int.parse(list[0]+l
\n# Code\n```\nclass Solution {\n  int minimumSum(int num) {\n    List<String> list = num.toString().split(\'\');\n    list.sort();\n    return int.parse(list[0]+list[2])+int.parse(list[1]+list[3]);\n  }\n}\n```
['Dart']