Buggy python submission (verdict: Time Limit Exceeded):
from itertools import groupby
from sys import setrecursionlimit
setrecursionlimit(10 ** 7)

s = input()

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

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

x_li = d[2::2]
X = len(x_li)
y_li = d[1::2]
Y = len(y_li)

x -= d[0]

x_flag = False
y_flag = False

def x_kumi(n,now):
    global x_flag
    if n == X:
        if now == x:
            x_flag = True
    else:
        return x_kumi(n+1,now+x_li[n]),x_kumi(n+1,now-x_li[n])

def y_kumi(n,now):
    global y_flag
    if n == Y:
        if now == y:
            y_flag = True
    else:
        return y_kumi(n+1,now+y_li[n]),y_kumi(n+1,now-y_li[n])

x_kumi(0,0)
y_kumi(0,0)

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

Fixed submission:
from itertools import groupby
from sys import setrecursionlimit
setrecursionlimit(10 ** 7)

s = input()

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

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

x_li = d[2::2]
y_li = d[1::2]

now_x = [0]
now_y = [0]

x -= d[0]

for i in x_li:
    nx = set()
    for j in now_x:
        nx.add(j-i)
        nx.add(j+i)
    now_x = nx

for i in y_li:
    ny = set()
    for j in now_y:
        ny.add(j-i)
        ny.add(j+i)
    now_y = ny

if x in now_x and y in now_y:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Time Limit Exceeded):
from itertools import groupby
from sys import setrecursionlimit
setrecursionlimit(10 ** 7)

s = input()

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

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

x_li = d[2::2]
X = len(x_li)
y_li = d[1::2]
Y = len(y_li)

x -= d[0]

x_flag = False
y_flag = False

def x_kumi(n,now):
    global x_flag
    if n == X:
        if now == x:
            x_flag = True
    else:
        return x_kumi(n+1,now+x_li[n]),x_kumi(n+1,now-x_li[n])

def y_kumi(n,now):
    global y_flag
    if n == Y:
        if now == y:
            y_flag = True
    else:
        return y_kumi(n+1,now+y_li[n]),y_kumi(n+1,now-y_li[n])

x_kumi(0,0)
y_kumi(0,0)

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

Fixed submission:
from itertools import groupby
from sys import setrecursionlimit
setrecursionlimit(10 ** 7)

s = input()

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

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

x_li = d[2::2]
y_li = d[1::2]

now_x = [0]
now_y = [0]

x -= d[0]

for i in x_li:
    nx = set()
    for j in now_x:
        nx.add(j-i)
        nx.add(j+i)
    now_x = nx

for i in y_li:
    ny = set()
    for j in now_y:
        ny.add(j-i)
        ny.add(j+i)
    now_y = ny

if x in now_x and y in now_y:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
from itertools import groupby

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

li = []

for key, value in groupby(s):
    li.append((key,len(list(value))))

x_li = []
y_li = []

now = 0
for i in li:
    if i[0] == "F":
        if now%2 == 0:
            x_li.append(i[1])
        else:
            y_li.append(i[1])
    else:
        now += i[1]

x_flag = False
y_flag = False

def possible(n,now,final,li):
    global x_flag,y_flag
    if n == len(li):
        if now == final:
            if li == x_li:
                x_flag = True
            else:
                y_flag = True
    else:
        return possible(n+1,now-li[n],final,li),possible(n+1,now+li[n],final,li)

possible(0,0,x,x_li)
possible(0,0,y,y_li)

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

Fixed submission:
from itertools import groupby
from sys import setrecursionlimit
setrecursionlimit(10 ** 7)

s = input()

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

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

x_li = d[2::2]
y_li = d[1::2]

now_x = [0]
now_y = [0]

x -= d[0]

for i in x_li:
    nx = set()
    for j in now_x:
        nx.add(j-i)
        nx.add(j+i)
    now_x = nx

for i in y_li:
    ny = set()
    for j in now_y:
        ny.add(j-i)
        ny.add(j+i)
    now_y = ny

if x in now_x and y in now_y:
    print("Yes")
else:
    print("No")