View Compilation Error

0_0_30375921_16281.cpp: In function 'int main()':
0_0_30375921_16281.cpp:69:19: error: 'a' was not declared in this scope
         cin>>line;a
                   ^
0_0_30375921_16281.cpp:72:13: error: 'ans' was not declared in this scope
             ans+=input();
             ^
0_0_30375921_16281.cpp:74:48: error: 'ans' was not declared in this scope
         printf("Case #%d: %.0lf\n",++Case,ceil(ans/1024));
                                                ^