View Compilation Error

0_0_28819171_4343.cpp: In function 'int main()':
0_0_28819171_4343.cpp:51:9: error: expected ',' or ';' before 'll'
         ll ans=((sum-tmp)%mod+mod)%mod;
         ^
0_0_28819171_4343.cpp:52:25: error: 'ans' was not declared in this scope
         printf("%lld\n",ans);
                         ^