#include<stdio.h>
int main()
{
    int a[5],b[5];
    int i;
    for(i=0;i<5;i++)
    {
        scanf("%d",&a[i]);
        scanf("%d",&b[i]);
        a[i]=a[i]^b[i];
        b[i]=a[i]^b[i];
        a[i]=a[i]^b[i];
        print("a[&d]=%d",i,a[i]);
        printf("\n");
        print("b[&d]=%d",i,b[i]);      
      }
return 0;
}