#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<iostream>
using namespace std;

#define MAXN 17
typedef long long LL;

typedef struct node
{
    LL id;
    char password[MAXN];
    struct node* next;
}*List;

typedef struct tb
{
    LL size;
    List *list;
}*Hashlist;
int NextPrim(int x)
{
    int j;
    for(int t=x;;t++)
    {
        for(j=2;j*j<=t;j++)
            if(t%j==0)
                break;
        if(j*j>t)
            return t;
    }
}
int Hash(LL id,LL size)
{
    //cout<<id%size<<endl;
    return id%size;
}
Hashlist Init(LL size)
{
    Hashlist H = (Hashlist)malloc(sizeof(tb));
    H->size = size;
    H->list = (List*)malloc(sizeof(List)*H->size);
    for(int i=0;i<H->size;i++)
    {
        H->list[i] = (List)malloc(sizeof(node));
        H->list[i]->next = NULL;
    }
    return H;
}
List Find(LL id,char pw[],Hashlist H)
{
    List t = H->list[Hash(id,H->size)];
    List p=t->next;
    while(p!=NULL && p->id!=id)
        p = p->next;
    return p;
}
void Insert(LL id,char pw[],Hashlist H)
{
    List f = Find(id,pw,H);
    if(f==NULL)
    {
        List t = H->list[Hash(id,H->size)];
        List tmp = (List)malloc(sizeof(node));
        tmp->id = id;
        strcpy(tmp->password,pw);
        tmp->next = t->next;
        t->next = tmp;
        printf("New: OK\n");
    }
    else
    {
        printf("ERROR: Exist\n");
    }
}
void Login(LL id,char pw[],Hashlist H)
{
    List f = Find(id,pw,H);
    if(f==NULL)
    {
        printf("ERROR: Not Exist\n");
    }
    else
    {
        if(strcmp(pw,f->password))
            printf("ERROR: Wrong PW\n");
        else
            printf("Login: OK\n");
    }
}
int main()
{
    int n;
    LL tmp;
    char flag,pw[MAXN];
    scanf("%d",&n);
    Hashlist H = Init(NextPrim(n));
    for(int i=0;i<n;i++)
    {
        getchar();
        scanf("%c%lld%s",&flag,&tmp,pw);
        if(flag == ‘N‘)
            Insert(tmp,pw,H);
        else
            Login(tmp,pw,H);
    }
}