View Compilation Error

0_0_28025015_8877.cpp: In function 'int main()':
0_0_28025015_8877.cpp:21:56: error: request for member 'b' in 's[ans]', which is of non-class type 'long long int'
         while(tmp<m && ans<=n) ans++, tmp*=(LL)(s[ans].b+1);
                                                        ^