Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
dp = [defaultdict(bool) for _ in range(len(dx) + 1)]
dp[0][0] = True
max_x = sum(dx)
for i in range(len(dx)):
    for j in range(-max_x, max_x + 1):
        if i == 0:
            dp[i + 1][j] = dp[i][j - dx[i]]
        else:
            dp[i + 1][j] = dp[i][j - dx[i]] or dp[i][j + dx[i]]
x_flag = dp[-1][x]

dy = d[1::2]
dp = [defaultdict(bool) for _ in range(len(dy) + 1)]
dp[0][0] = True
max_y = sum(dy)
for i in range(len(dy)):
    for j in range(-max_y, max_y + 1):
        dp[i + 1][j] = dp[i][j - dy[i]] or dp[i][j + dy[i]]
y_flag = dp[-1][y]

if x_flag and y_flag:
    print('Yes')
else:
    print('No')


Fixed submission:
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
n_dx = len(dx)
dp = {0}
for i in range(n_dx):
    tmp = set()
    for j in dp:
        if i == 0:
            tmp.add(j + dx[i])
        else:
            tmp.add(j - dx[i])
            tmp.add(j + dx[i])
    dp = tmp
x_flag = x in dp

dy = d[1::2]
n_dy = len(dy)
dp = {0}
for i in range(n_dy):
    tmp = set()
    for j in dp:
        tmp.add(j - dy[i])
        tmp.add(j + dy[i])
    dp = tmp
y_flag = y in dp

if x_flag and y_flag:
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
dpx = [defaultdict(bool) for _ in range(len(dx) + 1)]
dpx[0][0] = True
max_x = sum(dx)
for i in range(len(dx)):
    for j in range(-max_x, max_x + 1):
        if i == 0:
            dpx[i + 1][j] = dpx[i][j - dx[i]]
        else:
            dpx[i + 1][j] = dpx[i][j - dx[i]] or dpx[i][j + dx[i]]

dy = d[1::2]
dpy = [defaultdict(bool) for _ in range(len(dy) + 1)]
dpy[0][0] = True
max_y = sum(dy)
for i in range(len(dy)):
    for j in range(-max_y, max_y + 1):
        dpy[i + 1][j] = dpy[i][j - dy[i]] or dpy[i][j + dy[i]]

if dpx[-1][x] and dpy[-1][y]:
    print('Yes')
else:
    print('No')


Fixed submission:
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
n_dx = len(dx)
dp = {0}
for i in range(n_dx):
    tmp = set()
    for j in dp:
        if i == 0:
            tmp.add(j + dx[i])
        else:
            tmp.add(j - dx[i])
            tmp.add(j + dx[i])
    dp = tmp
x_flag = x in dp

dy = d[1::2]
n_dy = len(dy)
dp = {0}
for i in range(n_dy):
    tmp = set()
    for j in dp:
        tmp.add(j - dy[i])
        tmp.add(j + dy[i])
    dp = tmp
y_flag = y in dp

if x_flag and y_flag:
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
dpx = [defaultdict(bool) for _ in range(len(dx) + 1)]
dpx[0][0] = True
max_x = sum(dx)
for i in range(len(dx)):
    for j in range(-max_x, max_x + 1):
        if i == 0:
            dpx[i + 1][j] = dpx[i][j - dx[i]]
        else:
            dpx[i + 1][j] = dpx[i][j - dx[i]] or dpx[i][j + dx[i]]

dy = d[1::2]
dpy = [defaultdict(bool) for _ in range(len(dy) + 1)]
dpy[0][0] = True
max_y = sum(dy)
for i in range(len(dy)):
    for j in range(-max_y, max_y + 1):
        dpy[i + 1][j] = dpy[i][j - dy[i]] or dpy[i][j + dy[i]]

if dpx[-1][x] and dpy[-1][y]:
    print('Yes')
else:
    print('No')


Fixed submission:
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
n_dx = len(dx)
dp = {0}
for i in range(n_dx):
    tmp = set()
    for j in dp:
        if i == 0:
            tmp.add(j + dx[i])
        else:
            tmp.add(j - dx[i])
            tmp.add(j + dx[i])
    dp = tmp
x_flag = x in dp

dy = d[1::2]
n_dy = len(dy)
dp = {0}
for i in range(n_dy):
    tmp = set()
    for j in dp:
        tmp.add(j - dy[i])
        tmp.add(j + dy[i])
    dp = tmp
y_flag = y in dp

if x_flag and y_flag:
    print('Yes')
else:
    print('No')

Buggy python submission (verdict: Time Limit Exceeded):
from collections import defaultdict

S = input()
X, Y = map(int, input().split())

N = len(S)

d = [len(i) for i in S.split('T')]
d_x = d[0::2]
d_y = d[1::2]

dp_x = defaultdict(lambda: defaultdict(lambda: False))
dp_x[1][d_x[0]] = True
for i in range(1, len(d_x)):
    for x in range(-N, N):
        dp_x[i + 1][x] = dp_x[i][x - d_x[i]] or dp_x[i][x + d_x[i]]

dp_y = defaultdict(lambda: defaultdict(lambda: False))
dp_y[0][0] = True
for i in range(len(d_y)):
    for y in range(-N, N):
        dp_y[i + 1][y] = dp_y[i][y - d_y[i]] or dp_y[i][y + d_y[i]]

if dp_x[len(d_x)][X] and dp_y[len(d_y)][Y]:
    print('Yes')
else:
    print('No')


Fixed submission:
from collections import defaultdict

s = input()
x, y = map(int, input().split())

d = [len(x) for x in s.split('T')]

dx = d[0::2]
n_dx = len(dx)
dp = {0}
for i in range(n_dx):
    tmp = set()
    for j in dp:
        if i == 0:
            tmp.add(j + dx[i])
        else:
            tmp.add(j - dx[i])
            tmp.add(j + dx[i])
    dp = tmp
x_flag = x in dp

dy = d[1::2]
n_dy = len(dy)
dp = {0}
for i in range(n_dy):
    tmp = set()
    for j in dp:
        tmp.add(j - dy[i])
        tmp.add(j + dy[i])
    dp = tmp
y_flag = y in dp

if x_flag and y_flag:
    print('Yes')
else:
    print('No')