View Compilation Error

0_0_13110616_23327.cpp: In function 'int main()':
0_0_13110616_23327.cpp:32:40: error: lvalue required as left operand of assignment
             if(year(y+18) && (m>=3 || m=2 && d==29)
                                        ^
0_0_13110616_23327.cpp:33:17: error: expected ')' before 'p'
                 p++;
                 ^
0_0_13110616_23327.cpp:34:34: error: lvalue required as left operand of assignment
             if(year(y)&&(m<2 || m=2 && d<=29))
                                  ^