#include<stdio.h>
#include<string.h>
int main()
{
    char a[20],b[20],c[20];
    int t,i,j,k,la,lb,flag=0;
    scanf("%d",&t);
    for(k=1;k<=t;k++)
    {
        flag=0;
        scanf("%s %s",a,b);
        la=strlen(a);
        lb=strlen(b);
        printf("Case %d: ",k);
        if(strcmp(a,b)==0)
            {
            printf("Login successful.\n");
        continue;
            }
        for(i=0;i<la;i++)
        {
            if(!(a[i]>='0' && a[i]<='9'))
                c[flag++]=a[i];
        }
        c[flag]='\0';
        if(strcmp(c,b)==0)
        {
            printf("Wrong password. Please, check your num lock key.\n");
            continue;
        }
        for(i=0;i<lb;i++)
        {
            if(b[i]>='a'&&b[i]<='z')
                b[i]=b[i]-32;
            else if(b[i]>='A'&&b[i]<='Z')
                b[i]=b[i]+32;
        }
        if(strcmp(b,a)==0)
        {
            printf("Wrong password. Please, check your caps lock key.\n");
            continue;
        }
        if(strcmp(b,c)==0)
        {
            printf("Wrong password. Please, check your caps lock and num lock keys.\n");
            continue;
        }
        printf("Wrong password.\n");
    }
    return 0;
}