View Compilation Error

0_0_36071636_31262.cpp: In function 'int main()':
0_0_36071636_31262.cpp:78:103: error: lvalue required as left operand of assignment
    ll fuck1=ansz.x[0][0]*zhen1.x[0][0]%=mod+ansz.x[1][0]*zhen1.x[0][1]%=mod+ansz.x[2][0]*zhen1.x[0][2]%=mod;
                                                                                                       ^
0_0_36071636_31262.cpp:80:104: error: lvalue required as left operand of assignment
     ll fuck2=ansz.x[0][0]*zhen1.x[1][0]%=mod+ansz.x[1][0]*zhen1.x[1][1]%=mod+ansz.x[2][0]*zhen1.x[1][2]%=mod;
                                                                                                        ^
0_0_36071636_31262.cpp:82:104: error: lvalue required as left operand of assignment
     ll fuck3=ansz.x[0][0]*zhen1.x[2][0]%=mod+ansz.x[1][0]*zhen1.x[2][1]%=mod+ansz.x[2][0]*zhen1.x[2][2]%=mod;
                                                                                                        ^