View Compilation Error

0_0_33709413_27578.cpp: In function 'void solve()':
0_0_33709413_27578.cpp:63:51: error: expected ';' before 'b'
         a = a * inv(son[i]+tmp, mod) % mod        b = b * inv(son[i]+tmp, mod) % mod;
                                                   ^
0_0_33709413_27578.cpp:65:5: error: expected ';' before '}' token
     }
     ^