View Compilation Error

0_0_21023447_17116.cpp: In function 'int main()':
0_0_21023447_17116.cpp:23:8: error: too few arguments to function 'char* gets(char*)'
   gets();
        ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/locale.h:12:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/clocale:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/c++locale.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/localefwd.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_21023447_17116.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:490:17: note: declared here
   char *__cdecl gets(char *_Buffer) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
                 ^