// Problem written by Albert Lai <trebla@cs.utoronto.ca>
// This solution written by Thomas Tang <ttang@cs.queensu.ca>

#include <stdio.h>
#include <stdlib.h>

/* internally coin is labelled as 1 thru 12 */

#define NUM 12
int coin[NUM+1]; /* coin[0] is nothing */


void result(int r) 
{
    if (r > 0) {
	printf("heavier %d\n", r-1);
    }  else if (r < 0) {
	printf("lighter %d\n", -r-1);
    } else {
	printf("Inconsistent!\n");
    }
}
    


void finalWeigh(int a, int b, int ifL, int ifR, int ifE) 
{
    char line[10];
    
    printf("%d %d\n", a-1, b-1);
    fflush(stdout);
    scanf("%s", line);
    if (strcmp(line, "L") == 0) {
	result(ifL);
    } else if (strcmp(line, "R") == 0) {
	result(ifR);
    } else {
	result(ifE);
    }
}



/* deals only with 9 thru 12 */
void equal() 
{
    char line[10];

    printf("8 9 10 0\n");
    fflush(stdout);
    scanf("%s", line);
    if (strcmp(line, "L") == 0) {
	finalWeigh(coin[9], coin[10], coin[9], coin[10], -coin[11]);
    } else if (strcmp(line, "R") == 0) {
	finalWeigh(coin[9], coin[10], -coin[10], -coin[9], coin[11]);
    } else {
	finalWeigh(coin[12], coin[1], coin[12], -coin[12], 0);
    }
}


/* coin[0123] > coin[4567] */
void leftHeavier()
{
    char line[10];
    
    printf("%d %d %d %d %d %d\n", coin[1]-1, coin[2]-1, coin[5]-1,
	   coin[3]-1, coin[4]-1, coin[9]-1);
    fflush(stdout);
    scanf("%s", line);
    if (strcmp(line, "L") == 0) {
	finalWeigh(coin[1], coin[2], coin[1], coin[2], 0);
    } else if (strcmp(line, "R") == 0) {
	finalWeigh(coin[3], coin[4], coin[3], coin[4], -coin[5]);
    } else {
	finalWeigh(coin[6], coin[7], -coin[7], -coin[6], -coin[8]);
    }
}


main() {
    int i, j;
    char line[10];

    for (i = 1; i <= NUM; i++) {
	coin[i] = i;
    }
    printf("0 1 2 3 4 5 6 7\n");
    fflush(stdout);
    
    scanf("%s", line);
    if (strcmp(line, "E") == 0) {
	equal();
    }  else {
	if (strcmp(line, "R") == 0) {
	    for (i = 1; i <= 4; i++) {
		coin[i] = i+4;
		coin[4+i] = i;
	    }
	}
	leftHeavier();
    }
}