View Compilation Error

0_0_38515343_13201.cpp: In function 'int main()':
0_0_38515343_13201.cpp:43:19: error: cannot convert 'std::string {aka std::basic_string<char>}' to 'char*' for argument '1' to 'char* gets(char*)'
     while (gets(ss) && ss[0] != '\0')
                   ^
0_0_38515343_13201.cpp:50:26: error: cannot pass objects of non-trivially-copyable type 'std::string {aka class std::basic_string<char>}' through '...'
     while (scanf("%s", ss) != EOF)
                          ^