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#include <stdio.h>
#include <stdlib.h>
typedef struct Cord_ Cord;
typedef struct Cord_ {
int x,y;
Cord *next, *prev;
} Cord;
Cord* updateTail(Cord *head, Cord *tail)
{
int dy, dx, d;
dx = head->x - tail->x;
dy = head->y - tail->y;
d = dx * dx + dy * dy;
// distance <= 1
if ( d <= 2) return tail;
tail->x += (dx + dx/abs(dx))/2;
tail->y += (dy + dy/abs(dy))/2;
return tail;
}
int main()
{
char c;
int d;
Cord *h, *t;
t = &(Cord){0};
h = &(Cord){0};
while (scanf("%c %d\n", &c, &d) != EOF)
{
printf("%c %d\n", c, d);
for (int i = 0; i < d; i++)
{
h->x += (c == 'R') - (c == 'L');
h->y += (c == 'U') - (c == 'D');
printf("H %d %d \n", h->x, h->y);
t = updateTail(h, t);
printf("T %d %d \n", t->x, t->y);
}
}
}
// ./main < input2.txt | grep T | sort | uniq | wc -l
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