Buggy python submission (verdict: Runtime Error):
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * L for i in range(2)]

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    # print('i: %d' % i)
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
dp[0][c(0)] = True
dp[1][c(0)] = True
# print('\n'.join(map(str, dp)))
while index < hL:
    nt = (t + 1) % 2
    ndp = [False] * L
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(-hL, hL, 1):
        for j in [-1, 1]:
            if -hL <= i + j * dx < hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    dp[t] = ndp
    # print('\n'.join(map(str, dp)))
    t = nt
# print('\n'.join(map(str, dp)))
# print(dp[0][c(x)], dp[1][c(y)])
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
n = max((n, 3))
x, y = map(int, input().split())
dpx = [[False] * 2 * (n + 1) for i in range(n)]
dpy = [[False] * 2 * (n + 1) for i in range(n)]

def c(s, si):
    ret = 0
    while si < len(s) and s[si] == 'F':
        ret += 1
        si += 1
    if si < len(s) and s[si] == 'T':
        si += 1
    return si, ret

si, d = c(s, 0)
dpx[0][n] = True
dpx[1][d+n] = True
dpy[0][n] = True
dp = [dpx, dpy]
turn = 0
while si < len(s):
    si, d = c(s, si)
    turn += 1
    nn = si
    for i in range(-nn, nn+1):
        if -n <= i + d <= n:
            dp[turn%2][turn//2+1][i+d+n] = dp[turn%2][turn//2+1][i+d+n] \
                    or dp[turn%2][turn//2][i+n]
        if -n <= i - d <= n:
            dp[turn%2][turn//2+1][i-d+n] = dp[turn%2][turn//2+1][i-d+n] \
                    or dp[turn%2][turn//2][i+n]

if dpx[(turn-1)//2+2][x+n] and dpy[(turn-1)//2+1][y+n]:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
n = max((n, 3))
x, y = map(int, input().split())
dpx = [[False] * 2 * (n + 1) for i in range(n)]
dpy = [[False] * 2 * (n + 1) for i in range(n)]

def c(s):
    ret = 0
    while s and s[0] == 'F':
        ret += 1
        s = s[1:]
    if s and s[0] == 'T':
        s = s[1:]
    return s, ret

s, d = c(s)
dpx[0][n] = True
dpx[1][d+n] = True
dpy[0][n] = True
dp = [dpx, dpy]
turn = 0
while s:
    s, d = c(s)
    turn += 1
    nn = n - len(s)
    for i in range(-nn, nn+1):
        if -n <= i + d <= n:
            dp[turn%2][turn//2+1][i+d+n] = dp[turn%2][turn//2+1][i+d+n] \
                    or dp[turn%2][turn//2][i+n]
        if -n <= i - d <= n:
            dp[turn%2][turn//2+1][i-d+n] = dp[turn%2][turn//2+1][i-d+n] \
                    or dp[turn%2][turn//2][i+n]

if dpx[(turn-1)//2+2][x+n] and dpy[(turn-1)//2+1][y+n]:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
n = max((n, 3))
x, y = map(int, input().split())
dpx = [[False] * 2 * (n + 1) for i in range(n)]
dpy = [[False] * 2 * (n + 1) for i in range(n)]

def c(s):
    ret = 0
    while s and s[0] == 'F':
        ret += 1
        s = s[1:]
    if s and s[0] == 'T':
        s = s[1:]
    return s, ret

s, d = c(s)
dpx[0][n] = True
dpx[1][d+n] = True
dpy[0][n] = True
dp = [dpx, dpy]
turn = 0
while s:
    s, d = c(s)
    turn += 1
    for i in range(-n, n+1):
        if -n <= i + d <= n:
            dp[turn%2][turn//2+1][i+d+n] = dp[turn%2][turn//2+1][i+d+n] \
                    or dp[turn%2][turn//2][i+n]
        if -n <= i - d <= n:
            dp[turn%2][turn//2+1][i-d+n] = dp[turn%2][turn//2+1][i-d+n] \
                    or dp[turn%2][turn//2][i+n]

if dpx[(turn-1)//2+2][x+n] and dpy[(turn-1)//2+1][y+n]:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
n = len(s)
n = max((n, 3))
x, y = map(int, input().split())
dpx = [[False] * 2 * (n + 1) for i in range(n)]
dpy = [[False] * 2 * (n + 1) for i in range(n)]

def c(s):
    ret = 0
    while s and s[0] == 'F':
        ret += 1
        s = s[1:]
    if s and s[0] == 'T':
        s = s[1:]
    return s, ret

s, d = c(s)
dpx[0][n] = True
dpx[1][d+n] = True
dpy[0][n] = True
dp = [dpx, dpy]
turn = 0
while s:
    s, d = c(s)
    turn += 1
    for i in range(-n, n+1):
        if -n <= i + d <= n:
            dp[turn%2][turn//2+1][i+d+n] = dp[turn%2][turn//2+1][i+d+n] \
                    or dp[turn%2][turn//2][i+n]
        if -n <= i - d <= n:
            dp[turn%2][turn//2+1][i-d+n] = dp[turn%2][turn//2+1][i-d+n] \
                    or dp[turn%2][turn//2][i+n]

if dpx[(turn-1)//2+2][x+n] and dpy[(turn-1)//2+1][y+n]:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
x, y = map(int, input().split())

n = len(s)
dpx = [[False] * (n+1) * 2 for i in range(len(s)+1)]
dpy = [[False] * (n+1) * 2 for i in range(len(s)+1)]
dpxy = [dpx, dpy]
index = 0
origin = len(s)
j = [0, 0]

p = 0
while s and s[0] == 'F':
    p += 1
    s = s[1:]
dpx[0][p+origin] = True
dpy[0][origin] = True
while len(s) > 0:
    p = 0
    while s and s[0] == 'F':
        p += 1
        s = s[1:]
    jj = j[index]
    # print(p)
    # print(dpxy[0][j[0]])
    # print(dpxy[1][j[1]])
    # print('')
    for i, a in enumerate(dpxy[index][jj]):
        if i + p < n + origin:
            dpxy[index][jj+1][i+p] = dpxy[index][jj+1][i+p] or a
        if 0 < i - p:
            dpxy[index][jj+1][i-p] = dpxy[index][jj+1][i-p] or a
    j[index] += 1
    index = (index+1)%2
    if s and s[0] == 'T':
        s = s[1:]

# print(dpxy[0][j[0]])
# print(dpxy[1][j[1]])
if dpxy[0][j[0]][x+origin] and dpxy[1][j[1]][y+origin]:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
x, y = map(int, input().split())

index = 0
dxys = [(1, 0), (0, -1), (-1, 0), (0, 1)]

ss = set([(0, 0, 0)])
ns = set()
while len(s) > 0:
    c = s[0]
    p = 0
    if c == 'F':
        while len(s) and s[0] == 'F':
            p += 1
            s = s[1:]
    elif c == 'T':
        s = s[1:]
    for e in ss:
        if len(s) + p < abs(e[0] - x) + abs(e[1] - y):
            continue
        if c == 'T':
            ns.add((e[0], e[1], (e[2]+1)%4))
            ns.add((e[0], e[1], (e[2]-1+4)%4))
        elif c == 'F':
            nx, ny = e[0] + p*dxys[e[2]][0], e[1] + p*dxys[e[2]][1]
            ns.add((nx, ny, e[2]))
    ss = ns
    ns = set()

yes = False
for i in range(4):
    if (x, y, i) in ss:
        yes = True
        break
if yes:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
x, y = map(int, input().split())

index = 0
dxys = [(1, 0), (0, -1), (-1, 0), (0, 1)]

ss = set([(0, 0, 0)])
ns = set()
while len(s) > 0:
    c = s[0]
    p = 0
    if c == 'F':
        while len(s) and s[0] == 'F':
            p += 1
            s = s[1:]
    elif c == 'T':
        s = s[1:]
    for e in ss:
        if c == 'T':
            ns.add((e[0], e[1], (e[2]+1)%4))
            ns.add((e[0], e[1], (e[2]-1+4)%4))
        elif c == 'F':
            nx, ny = e[0] + p*dxys[e[2]][0], e[1] + p*dxys[e[2]][1]
            ns.add((nx, ny, e[2]))
    ss = ns
    ns = set()

yes = False
for i in range(4):
    if (x, y, i) in ss:
        yes = True
        break
if yes:
    print('Yes')
else:
    print('No')


Fixed submission:
s = input()
x, y = map(int, input().split())
hL = len(s)
L = 2 * hL

dp = [[False] * (L + 1) for i in range(2)]
ndp = [False] * (L + 1)

def next(i):
    global s
    while i < hL and s[i] != 'T':
        i += 1
    i += 1
    return i

def c(x):
    global hL
    return x + hL

index = 0
t = 0
js = [1]
dp[0][c(0)] = True
dp[1][c(0)] = True
mini, maxi = 0, 1
while index < hL:
    ni = next(index)
    dx, index = ni - index - 1, ni
    for i in range(mini, maxi):
        for j in js:
            if -hL <= i + j * dx <= hL:
                nx = c(i + j * dx)
                ndp[nx] = ndp[nx] or dp[t][c(i)]
    for i in range(mini, maxi):
        dp[t][c(i)] = False
    dp[t], ndp = ndp, dp[t]
    mini, maxi = mini - dx, maxi + dx
    js = [-1, 1]
    t = (t + 1) % 2
print('Yes' if dp[0][c(x)] and dp[1][c(y)] else 'No')