#include<bits/stdc++.h>
using namespace std;

int main()
{
    char a[100],b[100],c[100],d[100],e[100];
    int t,i,j,k,l;
    cin>>t;
   for(l=1;l<=t;l++)
    {
        scanf("%s %s",a,b);
        if(strcmp(a,b)==0){
            cout<<"Case "<<l<<": "<<"Login successful."<<endl;
            continue;
        }
        for(i=0;i<strlen(a);i++)
        {
            if(a[i]>=65 && a[i]<=90)
                c[i]=a[i]+32;
            else if(a[i]>=97 && a[i]<=122)
                c[i]=a[i]-32;
        }
        if(strcmp(c,b)==0){
            cout<<"Case "<<l<<": "<<"Wrong password. Please, check your caps lock key."<<endl;
            continue;}
        for(i=0;i<strlen(a);i++)
        {
            if(a[i]>='0' && a[i]<='9')
                continue;
            else
                d[i]=a[i];
        }
        if(strcmp(d,b)==0){
            cout<<"Case "<<l<<": "<<"Wrong password. Please, check your num lock key."<<endl;
            continue;}
        for(i=0;i<strlen(a);i++)
        {
            if(a[i]>=65 && a[i]<=90)
                e[i]=a[i]+32;
            else if(a[i]>=97 && a[i]<=122)
                e[i]=a[i]-32;
            else if(a[i]>='0' && a[i]<='9')
                continue;
            else
                e[i]=a[i];
        }
        if(strcmp(e,b)==0){
            cout<<"Case "<<l<<": "<<"Wrong password. Please, check your caps lock and num lock keys."<<endl;
                continue;}
        else
             cout<<"Case "<<l<<": "<<"Wrong password."<<endl;

    }
}