View Compilation Error

0_0_37061724_10789.cpp: In function 'int main()':
0_0_37061724_10789.cpp:24:23: error: too many arguments to function 'int ten_convert()'
   ten_convert(a, base2);
                       ^
0_0_37061724_10789.cpp:14:5: note: declared here
 int ten_convert()
     ^