Namespacing everything to /UVa.

[andmenj-acm.git] / UVa / 10469 - To carry or not to carry / 10469.cpp

#include <iostream>

using namespace std;

int main(){
  unsigned long x,y;
  while (cin >> x >> y){
    cout << (x ^ y) << endl;
  }
  return 0;
}