View Compilation Error

0_0_30155959_3424.cpp: In function 'int main()':
0_0_30155959_3424.cpp:66:28: error: 'now' was not declared in this scope
                         if(now<=lim) ans=(ans*10+tmp[now])%mmm;
                            ^
0_0_30155959_3424.cpp:68:25: error: 'now' was not declared in this scope
                         now--;
                         ^