Buggy python submission (verdict: Time Limit Exceeded):
s = [len(i) for i in input().split("T")]
x,y  = (int(i) for i in input().split())
xl,yl,flag = [],[],False
for i in range(len(s)):
	if i%2==0: xl.append(s[i])
	else: yl.append(s[i])
x,y,xl = abs(x-xl[0]),abs(y),xl[1:]
xs,ys,lenx,leny,xl2,yl2 = sum(xl),sum(yl),len(xl),len(yl),[0],[0]
a,b = [[0 for i in range(xs+1)] for i in range(len(xl)+1)],[[0 for i in range(ys+1)] for i in range(len(yl)+1)]
a[0][0],b[0][0] = 1,1
if xs>=x and (xs-x)%2==0 and ys>=y and (ys-y)%2==0: x2,y2,flag = (xs-x)//2,(ys-y)//2,True
else: print("No")
if flag:
	for i in range(lenx): xl2.append(xl2[-1]+xl[i])
	for i in range(leny): yl2.append(yl2[-1]+yl[i])
	for i in range(lenx):
		for j in range(xl2[i+1]+1):
			if xl[i]<=j: a[i+1][j] = a[i][j-xl[i]] | a[i][j]
			else: a[i+1][j] = a[i][j]
	for i in range(leny):
		for j in range(yl2[i+1]+1):
			if yl[i]<=j: b[i+1][j] = b[i][j-yl[i]] | b[i][j]
			else: b[i+1][j] = b[i][j]
	if a[-1][x2] and b[-1][y2]: print("Yes")
	else: print("No")

Fixed submission:
s = [len(i) for i in input().split("T")]
x,y  = (int(i) for i in input().split())
xl,yl,flag = [],[],False
for i in range(len(s)):
	if i%2==0: xl.append(s[i])
	else: yl.append(s[i])
x,y,xl = abs(x-xl[0]),abs(y),xl[1:]
xs,ys,lenx,leny,xl2,yl2 = sum(xl),sum(yl),len(xl),len(yl),[0],[0]
a,b = [[0 for i in range(xs+1)] for i in range(lenx+1)],[[0 for i in range(ys+1)] for i in range(leny+1)]
a[0][0],b[0][0] = 1,1
if xs>=x and (xs-x)%2==0 and ys>=y and (ys-y)%2==0: x2,y2,flag = (xs-x)//2,(ys-y)//2,True
else: print("No")
if flag:
	for i in range(lenx):
		for j in range(x2+1):
			if xl[i]<=j: a[i+1][j] = a[i][j-xl[i]] | a[i][j]
			else: a[i+1][j] = a[i][j]
	for i in range(leny):
		for j in range(y2+1):
			if yl[i]<=j: b[i+1][j] = b[i][j-yl[i]] | b[i][j]
			else: b[i+1][j] = b[i][j]
	if a[-1][x2] and b[-1][y2]: print("Yes")
	else: print("No")

Buggy python submission (verdict: Runtime Error):
s = input()
x,y = (int(i) for i in input().split())
f,l,dx,now,num = s.count("T"),len(s),True,0,0
ax = [[0 for i in range((l-f)*2+1)] for i in range((f+2)//2+1)]
ay = [[0 for i in range((l-f)*2+1)] for i in range(f//2+1)]
ax[0][l-f],ay[0][l-f],s = 1,1,s+"T"
for i in range(l+1):
	if s[i]=="F": num+=1
	elif dx:
		for j in range((l-f)*2+1):
			if ax[now][j]==1:
				if j-num>=0: ax[now+1][j-num]=1
				if j+num<(l-f)*2+1: ax[now+1][j+num]=1
		dx,num = False,0
	else:
		for j in range((l-f)*2+1):
			if ay[now][j]==1:
				if j-num>=0: ay[now+1][j-num]=1
				if j+num<(l-f)*2+1: ay[now+1][j+num]=1
		now,dx,num = now+1,True,0
if ax[-1][l-f+x]==1 and ay[-1][l-f+y]==1: print("Yes")
else: print("No")

Fixed submission:
s = [len(i) for i in input().split("T")]
x,y  = (int(i) for i in input().split())
xl,yl,flag = [],[],False
for i in range(len(s)):
	if i%2==0: xl.append(s[i])
	else: yl.append(s[i])
x,y,xl = abs(x-xl[0]),abs(y),xl[1:]
xs,ys,lenx,leny,xl2,yl2 = sum(xl),sum(yl),len(xl),len(yl),[0],[0]
a,b = [[0 for i in range(xs+1)] for i in range(lenx+1)],[[0 for i in range(ys+1)] for i in range(leny+1)]
a[0][0],b[0][0] = 1,1
if xs>=x and (xs-x)%2==0 and ys>=y and (ys-y)%2==0: x2,y2,flag = (xs-x)//2,(ys-y)//2,True
else: print("No")
if flag:
	for i in range(lenx):
		for j in range(x2+1):
			if xl[i]<=j: a[i+1][j] = a[i][j-xl[i]] | a[i][j]
			else: a[i+1][j] = a[i][j]
	for i in range(leny):
		for j in range(y2+1):
			if yl[i]<=j: b[i+1][j] = b[i][j-yl[i]] | b[i][j]
			else: b[i+1][j] = b[i][j]
	if a[-1][x2] and b[-1][y2]: print("Yes")
	else: print("No")