View Compilation Error

0_0_21315615_26547.cpp: In function 'int main()':
0_0_21315615_26547.cpp:18:27: error: lvalue required as left operand of assignment
             if(a&1&&number=0;){
                           ^
0_0_21315615_26547.cpp:18:29: error: expected ')' before ';' token
             if(a&1&&number=0;){
                             ^
0_0_21315615_26547.cpp:18:30: error: expected primary-expression before ')' token
             if(a&1&&number=0;){
                              ^
0_0_21315615_26547.cpp:22:13: error: 'else' without a previous 'if'
             else if(a&1){
             ^