#include <iostream>
using namespace std;
//与或非异或 and,or,not,xor
void main()
{
int a = 0;
a = 0b10001100;
a &= 0b10000111;//1000_0100 = 132
a |= 0b00001101;//1000_1101 = 141
a = ~a;//低8位: 0111_0010
a &= 0xFF;
a ^= 0b11111100;//1000_1110 = 142
cout << a << endl;
}