#include <bits/stdc++.h>

#define rep(i,n) for(long long int (i)=0;(i)<(int)(n);(i)++)
#define rrep(i,a,b) for(long long int i=(a);i<(b);i++)
#define rrrep(i,a,b) for(long long int i=(a);i>=(b);i--)
#define all(v) (v).begin(), (v).end()
#define pb(q) push_back(q)
#define P pair<int,int>
#define Abs(a,b) max(a,b)-min(a,b)
#define YES(condition) if(condition){cout << "YES" << endl;}else{cout << "NO" << endl;}
#define Yes(condition) if(condition){cout << "Yes" << endl;}else{cout << "No" << endl;}
#define Cout(x) cout<<(x)<<endl
#define POSSIBLE(n) cout << ((n) ? "POSSIBLE" : "IMPOSSIBLE"  ) << endl
#define Possible(n) cout << ((n) ? "Possible" : "Impossible"  ) << endl
#define possible(n) cout << ((n) ? "possible" : "impossible"  ) << endl
#define Size(n) (n).size()

typedef long long ll;

using namespace std;

const int INF = 1e9,MOD = 1e9 + 7;
const ll LINF = 1e18;

/*---------------------------------------------------------------
long long int kaizyo(long long int hh){
    cmp=1;
    while(hh>1){
        cmp=(cmp*hh)%MOD;
        hh--;
    }
    return cmp;
}
long long int ruizyo(long long int aa, long long int bb){
    if(aa==0){
        return 1;
    }
    else if(aa%2==0){
        long long int tt=ruizyo(aa/2,bb);
        return (tt*tt)%MOD;
    }
    else{
        return (ruizyo(aa-1,bb)*bb)%MOD;
    }
}フェルマ－のア
---------------------------------------------------------------

while(x!=0){
            sum+=x%10;
          / x/=10;
        }
        各桁の和
---------------------------------------------------------------

pair<int,int> p[100000];
cin >> tmp;
p[i]=make_pair(tmp,i);
cout << p[i].second+1 << endl;//ペアの右側つまりiを出力
---------------------------------------------------------------

s.find(w[i])==string::npos
findの使い方
---------------------------------------------------------------

for(int i=0;i<n;i++){
    b[i]=x%2;
    x/=2;
  }二進数
---------------------------------------------------------------

bool f[100001];//1000000以下の素数を調べよう！
rrep(i,2,100001){
       f[i]=false;
    }
rrep(i,2,100001){
        if(!f[i]){
            for(int j=i+i;j<=100000;j+=i){
                f[j]=true;
            }
        }
    }
    for(int i=3;i<=100000;i+=2){
        if(!f[i]){
            c[i]++;
        }
    }
---------------------------------------------------------------

visited=vector<vector<bool>>(10,vector<bool>(10,false));アを全部falseに
---------------------------------------------------------------

long long gcd(long long aaa,long long bbb){
    if(bbb==0){
        return aaa;
    }
    return gcd(bbb,aaa%bbb);
}
 
long long lcm(long long aaa,long long bbb){
    long long g = gcd(aaa,bbb);
    return aaa/g * bbb;
}最小公倍数と最大公倍数


---------------------------------------------------------------

long long int prime_cnt[10000];
       for(int i=2;i*i<=n;i++){
           while(n%i==0){
               n/=i;
               prime_cnt[i]+=1;
           }
           if(n>1){
               prime_cnt[n]+=1;
               break;
           }
      }ある数nを素因数分解しましょう
---------------------------------------------------------------*/

long long int n,cnt=0,cntt=0,cntx=0,cnty=0,ans=0,a,b,c,d,cmp,cmpp,m,h,w,x,xx[1000000],yy[1000000],y,sum=0,pos;
int dy[]={1,0,-1,0};
int dx[]={0,1,0,-1};
string alph("abcdefghijklmnopqrstuvwxyz"),s;
bool fl=false,flx=false,fly=false;

//-------------------------↓↓↓↓↓↓------------------------

int main(void){
       cin.tie(0);
    ios::sync_with_stdio(false);

       cin >> s >> x >> y;
      
       rep(i,Size(s)){
           if(!fl){//右に向いている
               if(s[i]=='T'){
                   fl=true;
                   cnt++;
                   continue;
               }
               else{
                   xx[cnt]++;
               }
           }
           else{
               if(s[i]=='T'){
                   fl=false;
                   cntt++;
                   continue;
               }
               else{
                   yy[cntt]++;
               }
           }
       }
       if(!fl){
           cnt++;
       }
       else{
           cntt++;
       }
       bool dpx[cnt+2][20000];
       bool dpy[cntt+2][20000];
       rep(i,cnt+1){
           rep(j,20000){
               dpx[i][j]=false;
           }
       }
       rep(i,cntt+1){
           rep(j,20000){
               dpy[i][j]=false;
           }
       }
       dpx[1][xx[0]+10000]=true;
       dpy[0][10000]=true;
       rrep(i,1,cnt){
           rep(xxx,20000){
               if(!dpx[i][xxx])continue;
               dpx[i+1][xxx-xx[i]]=dpx[i+1][xxx+xx[i]]=true;
           }
       }
       rep(i,cntt){
           rep(yyy,20000){
               if(!dpy[i][yyy])continue;
               dpy[i+1][yyy-yy[i]]=dpy[i+1][yyy+yy[i]]=true;
           }
       }
       if(dpx[cnt][x+10000]&&dpy[cntt][y+10000]){
           Cout("Yes");
       }
       else{
           Cout("No");
       }
       
return 0;
}


Measured memory_bytes: 155264