View Compilation Error

0_0_19757997_5501.cpp: In function 'bool ma()':
0_0_19757997_5501.cpp:43:41: error: lvalue required as left operand of assignment
  for (int i = 0;i <= n;i++) a[i].real() = A[n - i] - '0';
                                         ^
0_0_19757997_5501.cpp:44:41: error: lvalue required as left operand of assignment
  for (int i = 0;i <= m;i++) b[i].real() = B[m - i] - '0';
                                         ^