View Compilation Error

0_0_22120830_16641.cpp: In function 'int main()':
0_0_22120830_16641.cpp:27:76: error: expected ',' or ';' before ')' token
         int ans=abs(s[a]-s[b])==0?12:s[a]<s[b]? s[a]-s[b]+12:abs(s[a]-s[b]));
                                                                            ^