Buggy python submission (verdict: Time Limit Exceeded):
import sys
s=input()
A,B =map(int,input().split())
t = 0
k=0
L=len(s)
table=[[] for i in range(2)]
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
Lx=set()
Lx.add(table[0][0])
for i in range(1,len(table[0])):
    x=table[0][i]
    T=set()
    for a in Lx:
        if -L<=a+x<=L:
            T.add(a+x)
        if -L<=a-x<=L:
            T.add(a-x) 
    Lx=T
flag=True
for a in Lx:
    if a==A:
        flag =False
if flag:
    print('No')
    sys.exit()

Lx=set()
Lx.add(0)
for i in range(len(table[1])):
    x=table[1][i]
    T=set()
    for a in Lx:
        if -L<=a+x<=L:
            T.add(a+x)
        if -L<=a-x<=L:
            T.add(a-x) 
    Lx=T
flag=True
for a in Lx:
    if a==B:
        flag =False
if flag:
    print('No')
    sys.exit()
print('Yes')

Fixed submission:
import sys
s=input()
A,B =map(int,input().split())
table=[[] for i in range(2)]#0が横1が縦
t = 0
k=0
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
L=len(s)
Lx=[set() for i in range(len(table[0]) +1)]
Ly=[set() for i in range(len(table[1]) +1)]
Lx[0].add(0)
Ly[0].add(0)
for i in range(len(table[0])):
    x = table[0][i]
    if i==0:
        Lx[1].add(x)
        continue
    for a in Lx[i]:
        if -L<=a+x<=L:
            Lx[i+1].add(a+x)
        if -L<=a-x<=L:
            Lx[i+1].add(a-x) 
flag=True
for a in Lx[len(table[0])]:
    if a==A:
        flag =False
if flag:
    print('No')
    sys.exit()
    
for i in range(len(table[1])):
    x = table[1][i]
    for a in Ly[i]:
        if -L<=a+x<=L:
            Ly[i+1].add(a+x)
        if -L<=a-x<=L:
            Ly[i+1].add(a-x)
flag=True
for a in Ly[len(table[1])]:
    if a==B:
        flag =False
if flag:
    print('No')
    sys.exit()
    
print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
import sys
s=input()
A,B =map(int,input().split())
table=[[] for i in range(2)]#0が横1が縦
t = 0
k=0
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
L=len(s)
Lx=[set() for i in range(len(table[0]) +1)]
Ly=[set() for i in range(len(table[1]) +1)]
Lx[0].add(0)
Ly[0].add(0)
for i in range(len(table[0])):
    x = table[0][i]
    if i==0:
        Lx[1].add(x)
        continue
    for a in Lx[i]:
        if -L<=a+x<=L:
            Lx[i+1].add(a+x)
        if -L<=a-x<=L:
            Lx[i+1].add(a-x) 
flag=True
for a in Lx[len(table[0])]:
    if a==A:
        flag =False
if flag:
    print('No')
    sys.exit()
    
for i in range(len(table[1])):
    x = table[1][i]
    for a in Ly[i]:
        if -L<=a+x<=L:
            Ly[i+1].add(a+x)
        if -L<=a-x<=L:
            Ly[i+1].add(a-x)
flag=True
for a in Ly[len(table[1])]:
    if a==B:
        flag =False
if flag:
    print('No')
    sys.exit()
    
print('Yes')


Fixed submission:
import sys
s=input()
A,B =map(int,input().split())
table=[[] for i in range(2)]#0が横1が縦
t = 0
k=0
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
L=len(s)
Lx=[set() for i in range(len(table[0]) +1)]
Ly=[set() for i in range(len(table[1]) +1)]
Lx[0].add(0)
Ly[0].add(0)
for i in range(len(table[0])):
    x = table[0][i]
    if i==0:
        Lx[1].add(x)
        continue
    for a in Lx[i]:
        if -L<=a+x<=L:
            Lx[i+1].add(a+x)
        if -L<=a-x<=L:
            Lx[i+1].add(a-x) 
flag=True
for a in Lx[len(table[0])]:
    if a==A:
        flag =False
if flag:
    print('No')
    sys.exit()
    
for i in range(len(table[1])):
    x = table[1][i]
    for a in Ly[i]:
        if -L<=a+x<=L:
            Ly[i+1].add(a+x)
        if -L<=a-x<=L:
            Ly[i+1].add(a-x)
flag=True
for a in Ly[len(table[1])]:
    if a==B:
        flag =False
if flag:
    print('No')
    sys.exit()
    
print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
s=input()
a,b =map(int,input().split())
table=[[] for i in range(2)]#0が横1が縦
t = 0
k=0
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
#booldp [2][x] 
L=2*len(s)+1
dp=[[False]*(L) for i in range(len(table[0])+1)]
dpy=[[False]*(L) for i in range(len(table[1])+1)]
dp[0][len(s)]=True
dpy[0][len(s)]=True
#print(table)
for i in range(len(table[0])):
    x=table[0][i]
    for z in range(L):
        if i==0 and 0<= z+x <L:
            dp[i+1][z+x] = dp[i][z]
            continue
        if 0<= z+x <L:
            dp[i+1][z+x] = dp[i+1][z+x]|dp[i][z]
        if 0<= z-x <L:
            dp[i+1][z-x] = dp[i+1][z-x]|dp[i][z]
for i in range(len(table[1])):
    x=table[1][i]
    for z in range(L):
        if 0<= z+x <L:
            dpy[i+1][z+x] = dpy[i+1][z+x]|dpy[i][z]
        if 0<= z-x <L:
            dpy[i+1][z-x] = dpy[i+1][z-x]|dpy[i][z]
if dp[len(table[0])][a+len(s)] and dpy[len(table[1])][b+len(s)]:
    print('Yes')
else:
    print('No')

Fixed submission:
import sys
s=input()
A,B =map(int,input().split())
table=[[] for i in range(2)]#0が横1が縦
t = 0
k=0
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
L=len(s)
Lx=[set() for i in range(len(table[0]) +1)]
Ly=[set() for i in range(len(table[1]) +1)]
Lx[0].add(0)
Ly[0].add(0)
for i in range(len(table[0])):
    x = table[0][i]
    if i==0:
        Lx[1].add(x)
        continue
    for a in Lx[i]:
        if -L<=a+x<=L:
            Lx[i+1].add(a+x)
        if -L<=a-x<=L:
            Lx[i+1].add(a-x) 
flag=True
for a in Lx[len(table[0])]:
    if a==A:
        flag =False
if flag:
    print('No')
    sys.exit()
    
for i in range(len(table[1])):
    x = table[1][i]
    for a in Ly[i]:
        if -L<=a+x<=L:
            Ly[i+1].add(a+x)
        if -L<=a-x<=L:
            Ly[i+1].add(a-x)
flag=True
for a in Ly[len(table[1])]:
    if a==B:
        flag =False
if flag:
    print('No')
    sys.exit()
    
print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
from collections import deque
import sys
s=input()
a,b =map(int,input().split())
o=[0,0,0]#x,y,向き
X=[1,0,-1,0]
Y=[0,1,0,-1]
q = deque()
q.append([0,0,0,0])
while q:
    x,y,z,k= q.popleft()
    if x==a and y==b and k==len(s):
        print('Yes')
        sys.exit()
    if k==len(s):
        continue
    if s[k]=='F':
        q.append([x+X[z],y+Y[z],z,k+1])
    else:
        q.append([x,y,(z+1)%4,k+1])
        q.append([x,y,(z-1)%4,k+1])
print('No')

Fixed submission:
import sys
s=input()
A,B =map(int,input().split())
table=[[] for i in range(2)]#0が横1が縦
t = 0
k=0
for i in range(len(s)):
    if s[i]=='F':
        k+=1
    else:
        table[t].append(k)
        t=(t+1)%2
        k=0
table[t].append(k)
L=len(s)
Lx=[set() for i in range(len(table[0]) +1)]
Ly=[set() for i in range(len(table[1]) +1)]
Lx[0].add(0)
Ly[0].add(0)
for i in range(len(table[0])):
    x = table[0][i]
    if i==0:
        Lx[1].add(x)
        continue
    for a in Lx[i]:
        if -L<=a+x<=L:
            Lx[i+1].add(a+x)
        if -L<=a-x<=L:
            Lx[i+1].add(a-x) 
flag=True
for a in Lx[len(table[0])]:
    if a==A:
        flag =False
if flag:
    print('No')
    sys.exit()
    
for i in range(len(table[1])):
    x = table[1][i]
    for a in Ly[i]:
        if -L<=a+x<=L:
            Ly[i+1].add(a+x)
        if -L<=a-x<=L:
            Ly[i+1].add(a-x)
flag=True
for a in Ly[len(table[1])]:
    if a==B:
        flag =False
if flag:
    print('No')
    sys.exit()
    
print('Yes')