#include<stdio.h>
int main()
{
    int t,x,a,b,c,d,e,f,g,h,i=1;
    int b1=0,b2=0,b3=0,b4=0;
    scanf("%d",&t);
    for(int j=1; j<=t; j++)
    {
        scanf("%d.%d.%d.%d",&a,&b,&c,&d);
        scanf("%d.%d.%d.%d",&e,&f,&g,&h);
        while(a!=0)
        {
            x=a%2;
            a=a/2;
            b1=b1+(x*i);
            i=i*10;
        }

        while(b!=0)
        {
            x=b%2;
            b=b/2;
            b2=b2+(x*i);
            i=i*10;
        }

        while(c!=0)
        {
            x=c%2;
            c=c/2;
            b3=b3+(x*i);
            i=i*10;
        }

        while(d!=0)
        {
            x=d%2;
            d=d/2;
            b4=b4+(x*i);
            i=i*10;
        }
        if(b1==e&&b2==f&&b3==g&&b4==h)
        {
            printf("Case %d:Yes\n",j);
        }
        else
            printf("Case %d:No\n",j);
    }

    return 0;

}