View Compilation Error

0_0_33567595_5089.cpp: In function 'int main()':
0_0_33567595_5089.cpp:26:14: error: too few arguments to function 'char* gets(char*)'
         gets();
              ^
In file included from 0_0_33567595_5089.cpp:1:0:
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;
                 ^