View Compilation Error

0_0_33548349_1570.cpp: In function 'void solve()':
0_0_33548349_1570.cpp:47:10: error: expected ';' before '!' token
         A! = (A! + a[i] * f[i]) % mod2;
          ^
0_0_33548349_1570.cpp: In function 'int main()':
0_0_33548349_1570.cpp:76:40: error: 'mod' was not declared in this scope
         f[i] = (f[i - 1] + f[i - 2]) % mod;
                                        ^