Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[[] for i in s_x]
dpy=[[] for i in s_y]
dpx[0].append(s_x[0])
dpy[0].append(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.append(xx-l)
        ll.append(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.append(yy-l)
        ll.append(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')

Fixed submission:
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[set() for i in s_x]
dpy=[set() for i in s_y]
dpx[0].add(s_x[0])
dpy[0].add(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.add(xx-l)
        ll.add(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.add(yy-l)
        ll.add(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0

s_x = sl[::2]
s_y = sl[1::2]

answersx={}
answersy={}
def search(pos, kk,tgt, sl, answers):
    if kk== len(sl):
        ans=pos == tgt
        answers[pos,kk] = ans
    else:
        lng=sl[kk]
        minus=search(pos-lng,kk+1,tgt,sl,answers)
        plus=search(pos+lng,kk+1,tgt,sl,answers)
        ans = minus or plus
    answers[pos,kk] = ans
    return ans


print('Yes' if search(x0,1,x,s_x,answersx) and search(y0,0,y,s_y,answersy) else 'No')

Fixed submission:
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[set() for i in s_x]
dpy=[set() for i in s_y]
dpx[0].add(s_x[0])
dpy[0].add(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.add(xx-l)
        ll.add(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.add(yy-l)
        ll.add(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
sums=[sum(sl[k:]) for k in range(len(sl))]
answers={}
def search(xx,yy,k,isUD):
    if (xx,yy,k) in answers:
        return answers[(xx,yy,k)]
    if k == len(sl):
        ans=(xx,yy)==(x,y)
    else:
        if abs(xx-x)+abs(yy-y) > sums[k]:
            ans=False
        else:
            lng=sl[k]
            # D or L
            llr=(lng if not isUD else 0)
            lud=(lng if isUD else 0)
            d_l = search(xx-llr,yy-lud,k+1, not isUD)
            u_r = search(xx+llr,yy+lud,k+1, not isUD)
            ans = d_l or u_r
    answers[(xx,yy,k)]=ans
    return ans
print('Yes' if search(x0,y0,1,True) else 'No')

Fixed submission:
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[set() for i in s_x]
dpy=[set() for i in s_y]
dpx[0].add(s_x[0])
dpy[0].add(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.add(xx-l)
        ll.add(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.add(yy-l)
        ll.add(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0

answers={}
def search(xx,yy,k,isUD):
    if (xx,yy,k) in answers:
        return answers[(xx,yy,k)]
    if k == len(sl):
        ans=(xx,yy)==(x,y)
    else:
        if abs(xx-x)+abs(yy-y) > sum(sl[k:]):
            ans=False
        else:
            lng=sl[k]
            # D or L
            llr=(lng if not isUD else 0)
            lud=(lng if isUD else 0)
            d_l = search(xx-llr,yy-lud,k+1, not isUD)
            u_r = search(xx+llr,yy+lud,k+1, not isUD)
            ans = d_l or u_r
    answers[(xx,yy,k)]=ans
    return ans
print('Yes' if search(x0,y0,1,True) else 'No')

Fixed submission:
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[set() for i in s_x]
dpy=[set() for i in s_y]
dpx[0].add(s_x[0])
dpy[0].add(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.add(xx-l)
        ll.add(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.add(yy-l)
        ll.add(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0

answers={}
def search(xx,yy,k,isUD):
    if (xx,yy,k) in answers:
        return answers[(xx,yy,k)]
    if k == len(sl):
        ans=(xx,yy)==(x,y)
    else:
        lng=sl[k]
        # D or L
        llr=(lng if not isUD else 0)
        lud=(lng if isUD else 0)
        d_l = search(xx-llr,yy-lud,k+1, not isUD)
        u_r = search(xx+llr,yy+lud,k+1, not isUD)
        ans = d_l or u_r
    answers[(xx,yy,k)]=ans
    return ans
print('Yes' if search(x0,y0,1,True) else 'No')

Fixed submission:
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[set() for i in s_x]
dpy=[set() for i in s_y]
dpx[0].add(s_x[0])
dpy[0].add(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.add(xx-l)
        ll.add(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.add(yy-l)
        ll.add(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')

Buggy python submission (verdict: Runtime Error):
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0

answers={}
def search(xx,yy,k,isUD):
    if (xx,yy,k) in answers:
        return answers[(xx,yy,k)]
    if k == len(sl):
        ans=(xx,yy)==(x,y)
    else:
        lng=sl[k]
        # D or L
        llr=(lng if not isUD else 0)
        lud=(lng if isUD else 0)
        d_l = search(xx-llr,yy-lud,k+1, not isUD)
        u_r = search(xx+llr,yy+lud,k+1, not isUD)
        ans = d_l or u_r
    answers[(xx,yy,k)]=ans
    return ans
print('Yes' if search(x0,y0,1,True) else 'No')

Fixed submission:
import sys
sys.setrecursionlimit(100000)
s=input().strip()
x,y=map(int,input().split())
sl=[len(i) for i in s.split('T')]
x0,y0=sl[0],0
s_x = sl[::2]
s_y = sl[1::2]
s_y=[0]+s_y
dpx=[set() for i in s_x]
dpy=[set() for i in s_y]
dpx[0].add(s_x[0])
dpy[0].add(0)
for i,l in enumerate(s_x):
    if i==0:continue
    ll=dpx[i]
    for xx in dpx[i-1]:
        ll.add(xx-l)
        ll.add(xx+l)
for i,l in enumerate(s_y):
    if i==0:continue
    ll=dpy[i]
    for yy in dpy[i-1]:
        ll.add(yy-l)
        ll.add(yy+l)
print('Yes' if x in dpx[-1] and y in dpy[-1] else 'No')