Buggy python submission (verdict: Time Limit Exceeded):
from copy import deepcopy
def main():
    s=input()
    x,y=map(int,input().split())
    a=[0]*8000
    b=[0]*8000
    tmp=0
    T=True
    asize=0
    bsize=0
    for i in s:
        if i=="T":
            tmp=1-tmp
            T=True
        elif tmp==0:
            if T:
                asize+=1
                T=False
            a[asize-1]+=1
        else:
            if T:
                bsize+=1
                T=False
            b[bsize-1]+=1
    c={0}
    for i in range(asize):
        d=set()
        if i==0:
            if s[0]=="T":
                d.add(-a[i])
            d.add(a[i])
        else:
            for j in c:
                d.add(j+a[i])
                d.add(j-a[i])
        c=deepcopy(d)
    if not x in c:
        print("No")
        quit()
    c={0}
    for i in range(bsize):
        d=set()
        for j in c:
            d.add(j+b[i])
            d.add(j-b[i])
        c=deepcopy(d)
    if not y in c:
        print("No")
        quit()
    print("Yes")
if __name__=="__main__":
    main()


Fixed submission:
s=input()
x,y=map(int,input().split())
a=[0]*8000
b=[0]*8000
tmp=0
T=True
asize=0
bsize=0
for i in s:
    if i=="T":
        tmp=1-tmp
        T=True
    elif tmp==0:
        if T:
            asize+=1
            T=False
        a[asize-1]+=1
    else:
        if T:
            bsize+=1
            T=False
        b[bsize-1]+=1
c={0}
for i in range(asize):
    d=set()
    if i==0:
        if s[0]=="T":
            d.add(-a[i])
        d.add(a[i])
    else:
        for j in c:
            d.add(j+a[i])
            d.add(j-a[i])
    c=d
if not x in c:
    print("No")
    quit()
c={0}
for i in range(bsize):
    d=set()
    for j in c:
        d.add(j+b[i])
        d.add(j-b[i])
    c=d
if not y in c:
    print("No")
    quit()
print("Yes")

Buggy python submission (verdict: Time Limit Exceeded):
from copy import deepcopy
s=input()
x,y=map(int,input().split())
a=[0]*8000
b=[0]*8000
tmp=0
T=True
asize=0
bsize=0
for i in s:
    if i=="T":
        tmp=1-tmp
        T=True
    elif tmp==0:
        if T:
            asize+=1
            T=False
        a[asize-1]+=1
    else:
        if T:
            bsize+=1
            T=False
        b[bsize-1]+=1
c={0}
for i in range(asize):
    d=set()
    if i==0:
        if s[0]=="T":
            d.add(-a[i])
        d.add(a[i])
    else:
        for j in c:
            d.add(j+a[i])
            d.add(j-a[i])
    c=deepcopy(d)
if not x in c:
    print("No")
    quit()
c={0}
for i in range(bsize):
    d=set()
    for j in c:
        d.add(j+b[i])
        d.add(j-b[i])
    c=deepcopy(d)
if not y in c:
    print("No")
    quit()
print("Yes")


Fixed submission:
s=input()
x,y=map(int,input().split())
a=[0]*8000
b=[0]*8000
tmp=0
T=True
asize=0
bsize=0
for i in s:
    if i=="T":
        tmp=1-tmp
        T=True
    elif tmp==0:
        if T:
            asize+=1
            T=False
        a[asize-1]+=1
    else:
        if T:
            bsize+=1
            T=False
        b[bsize-1]+=1
c={0}
for i in range(asize):
    d=set()
    if i==0:
        if s[0]=="T":
            d.add(-a[i])
        d.add(a[i])
    else:
        for j in c:
            d.add(j+a[i])
            d.add(j-a[i])
    c=d
if not x in c:
    print("No")
    quit()
c={0}
for i in range(bsize):
    d=set()
    for j in c:
        d.add(j+b[i])
        d.add(j-b[i])
    c=d
if not y in c:
    print("No")
    quit()
print("Yes")

Buggy python submission (verdict: Time Limit Exceeded):
from copy import deepcopy
s=input()
x,y=map(int,input().split())
a=[0]*8000
b=[0]*8000
tmp=0
T=True
asize=0
bsize=0
for i in s:
    if i=="T":
        tmp=1-tmp
        T=True
    elif tmp==0:
        if T:
            asize+=1
            T=False
        a[asize-1]+=1
    else:
        if T:
            bsize+=1
            T=False
        b[bsize-1]+=1
c={0}
for i in range(asize):
    d=set()
    if i==0:
        if s[0]=="T":
            d.add(-a[i])
        d.add(a[i])
    else:
        for j in c:
            d.add(j+a[i])
            d.add(j-a[i])
    c=deepcopy(d)
if not x in c:
    print("No")
    quit()
c={0}
for i in range(bsize):
    d=set()
    for j in c:
        d.add(j+b[i])
        d.add(j-b[i])
    c=deepcopy(d)
if not y in c:
    print("No")
    quit()
print("Yes")


Fixed submission:
s=input()
x,y=map(int,input().split())
a=[0]*8000
b=[0]*8000
tmp=0
T=True
asize=0
bsize=0
for i in s:
    if i=="T":
        tmp=1-tmp
        T=True
    elif tmp==0:
        if T:
            asize+=1
            T=False
        a[asize-1]+=1
    else:
        if T:
            bsize+=1
            T=False
        b[bsize-1]+=1
c={0}
for i in range(asize):
    d=set()
    if i==0:
        if s[0]=="T":
            d.add(-a[i])
        d.add(a[i])
    else:
        for j in c:
            d.add(j+a[i])
            d.add(j-a[i])
    c=d
if not x in c:
    print("No")
    quit()
c={0}
for i in range(bsize):
    d=set()
    for j in c:
        d.add(j+b[i])
        d.add(j-b[i])
    c=d
if not y in c:
    print("No")
    quit()
print("Yes")