#include <iostream>
using namespace std;
int mystery( unsigned );
int main()
{
unsigned x;
cout << "Enter an integer: ";
cin >> x;
cout << "The result is " << mystery( x ) << endl;
return 0;
}
int mystery( unsigned bits )
{
unsigned mask = 1 << 15, total = 0;
for ( int i = 0; i < 16; i++, bits <<= 1 )
if ( ( bits & mask ) == mask )
++total;
return total % 2 == 0 ? 1 : 0;
}
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