View Compilation Error

0_0_36666706_10722.cpp: In function 'int main()':
0_0_36666706_10722.cpp:43:37: error: unable to find numeric literal operator 'operator""a'
                     if (j % c[i] == 0a)ansb[j] = 1;
                                     ^
0_0_36666706_10722.cpp:43:37: note: use -std=gnu++11 or -fext-numeric-literals to enable more built-in suffixes