【51nod】2527 Or 和 Sum

Or 和 Sum

Link

---

code

#include<iostream>
#include<cstdio>
#define int long long
using namespace std;

int a,b,c;

signed main()
{
	cin>>a>>b;
	c=b-a;
	if(a>b)
		printf("Impossible\n");
	else if((a&c)==c)
		printf("Possible\n");
	else
		printf("Impossible\n");
}