Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
# coding=utf-8

import sys


def become_a(a, start, numbers):
    if numbers is None:
        return a == start
    if len(numbers) == 1:
        return a == start + numbers[0] or a == start - numbers[0]
    return become_a(a, start + numbers[0], numbers[1:]) or become_a(a, start - numbers[0],
                                                                    numbers[1:])


s = sys.stdin.readline().strip().split("T")
x, y = sys.stdin.readline().strip().split(" ")
x = int(x)
y = int(y)
move_all = [len(_s) for _s in s]
move_x = move_all[::2]
move_y = move_all[1::2] or None
if become_a(x, move_x[0], move_x[1:] or None) and become_a(y, 0, move_y):
    print("Yes")
else:
    print("No")

Fixed submission:
#!/usr/bin/env python3
# coding=utf-8

import sys

s = sys.stdin.readline().strip().split("T")
x, y = sys.stdin.readline().strip().split(" ")
x = int(x)
y = int(y)
move_all = [len(_s) for _s in s]
pos_x = set([move_all[0]])
pos_y = set([0])
move_x = move_all[2::2] or None
move_y = move_all[1::2] or None
if move_x:
    for move in move_x:
        pos_x = {_x + move for _x in pos_x} | {_x - move for _x in pos_x}
if move_y:
    for move in move_y:
        pos_y = {_y + move for _y in pos_y} | {_y - move for _y in pos_y}
if x in pos_x and y in pos_y:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
# coding=utf-8

import sys
import numpy as np


def culc_pos(x, y, commands, pos=np.matrix([0, 0]), d=np.matrix([1, 0])):
    if len(commands) == 1:
        if not commands[0]:
            pos = pos + d
        return pos[0, 0] == x and pos[0, 1] == y
    if commands[0]:
        ccw = np.matrix([[0, -1], [1, 0]])
        cw = np.matrix([[0, 1], [-1, 0]])
        d1 = d * ccw
        d2 = d * cw
        return culc_pos(x, y, commands[1:], pos, d1) or culc_pos(x, y, commands[1:], pos, d2)
    else:
        pos = pos + d
        return culc_pos(x, y, commands[1:], pos, d)


s = sys.stdin.readline().strip()
x, y = sys.stdin.readline().strip().split(" ")
x = int(x)
y = int(y)
s_list = [_s == "T" for _s in list(s)]
if culc_pos(x, y, s_list):
    print("Yes")
else:
    print("No")


Fixed submission:
#!/usr/bin/env python3
# coding=utf-8

import sys

s = sys.stdin.readline().strip().split("T")
x, y = sys.stdin.readline().strip().split(" ")
x = int(x)
y = int(y)
move_all = [len(_s) for _s in s]
pos_x = set([move_all[0]])
pos_y = set([0])
move_x = move_all[2::2] or None
move_y = move_all[1::2] or None
if move_x:
    for move in move_x:
        pos_x = {_x + move for _x in pos_x} | {_x - move for _x in pos_x}
if move_y:
    for move in move_y:
        pos_y = {_y + move for _y in pos_y} | {_y - move for _y in pos_y}
if x in pos_x and y in pos_y:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
# coding=utf-8

import sys
import numpy as np


def culc_pos(x, y, commands, pos=np.matrix([0, 0]), d=np.matrix([1, 0])):
    if len(commands) == 1:
        if commands[0]:
            return pos[0, 0] == x and pos[0, 1] == y
        else:
            pos = pos + d
            return pos[0, 0] == x and pos[0, 1] == y
    if commands[0]:
        ccw = np.matrix([[0, -1], [1, 0]])
        cw = np.matrix([[0, 1], [-1, 0]])
        d1 = d * ccw
        d2 = d * cw
        return culc_pos(x, y, commands[1:], pos, d1) or culc_pos(x, y, commands[1:], pos, d2)
    else:
        pos = pos+d
        return culc_pos(x, y, commands[1:], pos, d)


s = sys.stdin.readline().strip()
x, y = sys.stdin.readline().strip().split(" ")
x = int(x)
y = int(y)
s_list = [_s == "T" for _s in list(s)]
if culc_pos(x, y, s_list):
    print("Yes")
else:
    print("No")


Fixed submission:
#!/usr/bin/env python3
# coding=utf-8

import sys

s = sys.stdin.readline().strip().split("T")
x, y = sys.stdin.readline().strip().split(" ")
x = int(x)
y = int(y)
move_all = [len(_s) for _s in s]
pos_x = set([move_all[0]])
pos_y = set([0])
move_x = move_all[2::2] or None
move_y = move_all[1::2] or None
if move_x:
    for move in move_x:
        pos_x = {_x + move for _x in pos_x} | {_x - move for _x in pos_x}
if move_y:
    for move in move_y:
        pos_y = {_y + move for _y in pos_y} | {_y - move for _y in pos_y}
if x in pos_x and y in pos_y:
    print("Yes")
else:
    print("No")