#include <iostream>
using namespace std;
int main() {
int a1, a2, a3, a4;
int b1, b2, b3, b4;
a1= 255; a2= 255; a3=255; a4=0;
b1=192;b2=168;b3=0;b4=100;
cout << (int(a1) & int(b1)) << ".";
cout << (int(a2) & int(b2)) << ".";
cout << (int(a3) & int(b3)) << ".";
cout << (int(a4) & int(b4));
return 0;
}
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