View Compilation Error

0_0_33721992_7997.cpp: In function 'int main()':
0_0_33721992_7997.cpp:46:4: error: expected ',' or ';' before 'll'
    ll tt=t1*t2%mod;
    ^
0_0_33721992_7997.cpp:47:14: error: 'tt' was not declared in this scope
    ans = ans+tt % mod;
              ^