#include <stdio.h>

#define DO3 16581375
#define DO2 65025
#define DO1 255
#define MOD 2000001

unsigned long hash(unsigned long a);
unsigned long FIND_SET(unsigned long set);
unsigned long MAKE_SET(unsigned long IP1, unsigned long IP2);

struct wierzcholek
{
    unsigned long SET;
    unsigned long rank;
} ELEMENT[MOD];

int main()
{
    unsigned long ip1_1, ip1_2, ip1_3, ip1_4;
    unsigned long ip2_1, ip2_2, ip2_3, ip2_4;
    unsigned long IP1, IP2, key1, key2;
    unsigned long i;
    char znak;
    
    for(i=0; i<MOD; i++)
    {
	ELEMENT[i].SET=MOD+1;
	ELEMENT[i].rank=1;
    }
    
    while(scanf("%c", &znak)!=EOF)
    {
	scanf(" %lu.%lu.%lu.%lu", &ip1_1, &ip1_2, &ip1_3, &ip1_4);
        key1=(ip1_1-1)*DO3 + (ip1_2-1)*DO2 + (ip1_3-1)*DO1 + ip1_4;
	IP1=hash(key1);
		
	scanf(" %lu.%lu.%lu.%lu\n", &ip2_1, &ip2_2, &ip2_3, &ip2_4);	
	key2=(ip2_1-1)*DO3 + (ip2_2-1)*DO2 + (ip2_3-1)*DO1 + ip2_4;	
	IP2=hash(key2);
		
	if(znak=='B') /*budowanie drzewa*/
	{
	    if(ELEMENT[IP1].SET==MOD+1 && ELEMENT[IP2].SET==MOD+1)
	    {
		ELEMENT[IP1].SET=IP1;
		ELEMENT[IP1].rank=2;
		
		ELEMENT[IP2].SET=IP1;
		ELEMENT[IP2].rank=2;
		/*printf("FILIPEK1\t%lu set1=%lu rank%lu\t%lu set2=%lu rank%lu\n", IP1, ELEMENT[IP1].SET, ELEMENT[IP1].rank, IP2, ELEMENT[IP2].SET, ELEMENT[IP2].rank);*/
	    }
	    else if(FIND_SET(IP1)!=FIND_SET(IP2))
	    {
		/*printf("FIL2\t%lu set1=%lu rank%lu\t%lu set2=%lu rank%lu\n", IP1, ELEMENT[IP1].SET, ELEMENT[IP1].rank, IP2, ELEMENT[IP2].SET, ELEMENT[IP2].rank);*/
		MAKE_SET(IP1, IP2);
		/*printf("FIL2'\t%lu set1=%lu rank%lu\t%lu set2=%lu rank%lu\n", IP1, ELEMENT[IP1].SET, ELEMENT[IP1].rank, IP2, ELEMENT[IP2].SET, ELEMENT[IP2].rank);*/
	    }
	}
	else /*zapytanie czy sa z tej samej sieci*/
	{
	    if(ELEMENT[IP1].SET!=MOD+1 && ELEMENT[IP2].SET!=MOD+1 && FIND_SET(IP1)==FIND_SET(IP2)) printf("%c\n", 'T');
	    else printf("%c\n", 'N');
	}	    
	    /*printf("%lu.%lu.%lu.%lu %lu.%lu.%lu.%lu\n", ip1_1, ip1_2, ip1_3, ip1_4, ip2_1, ip2_2, ip2_3, ip2_4);*/
	    /*printf("%c %lu %lu\t%lu %lu\t%lu %lu\n", znak, key1, key2, IP1, IP2, ELEMENT[10].SET, ELEMENT[100].rank);*/
	

    }
    
    return 0;
}

unsigned long hash(unsigned long a)
{
    a=a%MOD;
    
    return a;
}

unsigned long FIND_SET(unsigned long set)
{
    if(ELEMENT[set].SET==MOD+1) return MOD+1;
    else
    {
	while(ELEMENT[set].SET!=set && ELEMENT[set].SET!=MOD+1)
	{
	    set=ELEMENT[set].SET;
	}
	return set;
    }

}

unsigned long MAKE_SET(unsigned long IP1, unsigned long IP2)
{
    unsigned long set1, set2;
    
    set1=FIND_SET(IP1);
    set2=FIND_SET(IP2);
    if(set2==MOD+1) set2=IP2;
    if(set1==MOD+1) set1=IP1;
    if(ELEMENT[set1].rank==ELEMENT[set2].rank)
    {
	ELEMENT[set1].rank+=ELEMENT[set2].rank;
	ELEMENT[set2].rank=ELEMENT[set1].rank;
	
	ELEMENT[set1].SET=set1;
	ELEMENT[IP1].SET=set1;
	ELEMENT[set2].SET=set1;
	ELEMENT[IP2].SET=set1;
    }
    else if(ELEMENT[set1].rank > ELEMENT[set2].rank)
    {
	ELEMENT[set1].rank+=ELEMENT[set2].rank;
	ELEMENT[set2].rank=ELEMENT[set1].rank;
	if(set2!=MOD+1) ELEMENT[set2].SET=set1;
	else ELEMENT[IP2].SET=set1;	
    }
    else if(ELEMENT[set1].rank < ELEMENT[set2].rank)
    {
	ELEMENT[set2].rank+=ELEMENT[set1].rank;
	ELEMENT[set1].rank=ELEMENT[set2].rank;
	ELEMENT[set1].SET=set2;
	
	ELEMENT[IP1].SET=set2;
	ELEMENT[IP2].SET=set2;
    }
}