Language: C++

#include "bits/stdc++.h"
#define ll long long
#define rep2(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n) rep2(i,0,n)

using namespace std;
string s;
int x,y;

vector<int> vx,vy;
bool mem[9000][18000]={};
bool memy[9000][9000]={};
bool visited[9000][18000]={};
bool visitedy[9000][18000]={};
mem[0][0]=1;
memy[0][0]=1;
visited[0][0]=1;
visitedy[0][0]=1;
bool dpx(int i,int x1){
    bool p;
    if(i==0&&x1!=0) return 0;
    bool p=dpx[i-1,x1-vx[i-1]]||dpx[i-1,x1+vx[i-1]];
    visited[i][x1]=1;
    mem[i][x1]=1;
    return p;
}
bool dpx(int i,int x1){
    bool p;
    if(i==0&&x1!=0) return 0;
    bool p=dpy[i-1,x1-vy[i-1]]||dpy[i-1,x1+vy[i-1]];
    visitedy[i][x1]=1;
    memy[i][x1]=1;
    return p;
}

main(){
    string s;
    cin>>s;
    cin>>x>>y;
    bool k=1;
    int m=0;
    rep(i,s.size()){
        if(s[i]=='F') m++;
        else {
            
            if(k) vx.push_back(m);
            else vy.push_back(m);
            k^=1;
            m=0;
        }
        if(i+1==s.size()){
            if(k) vx.push_back(m);
            else vy.push_back(m);
        }
    }

    if(dpx(vx.size(),x)&&dpy(vy.size(),y)) cout<<"Yes";
    else cout<<"No";


    return 0;
}

Compiler output:
a.cc:15:1: error: 'mem' does not name a type
   15 | mem[0][0]=1;
      | ^~~
a.cc:16:1: error: 'memy' does not name a type
   16 | memy[0][0]=1;
      | ^~~~
a.cc:17:1: error: 'visited' does not name a type
   17 | visited[0][0]=1;
      | ^~~~~~~
a.cc:18:1: error: 'visitedy' does not name a type
   18 | visitedy[0][0]=1;
      | ^~~~~~~~
a.cc: In function 'bool dpx(int, int)':
a.cc:22:10: error: redeclaration of 'bool p'
   22 |     bool p=dpx[i-1,x1-vx[i-1]]||dpx[i-1,x1+vx[i-1]];
      |          ^
a.cc:20:10: note: 'bool p' previously declared here
   20 |     bool p;
      |          ^
a.cc:22:30: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   22 |     bool p=dpx[i-1,x1-vx[i-1]]||dpx[i-1,x1+vx[i-1]];
      |                              ^
a.cc:22:51: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   22 |     bool p=dpx[i-1,x1-vx[i-1]]||dpx[i-1,x1+vx[i-1]];
      |                                                   ^
a.cc: At global scope:
a.cc:27:6: error: redefinition of 'bool dpx(int, int)'
   27 | bool dpx(int i,int x1){
      |      ^~~
a.cc:19:6: note: 'bool dpx(int, int)' previously defined here
   19 | bool dpx(int i,int x1){
      |      ^~~
a.cc: In function 'bool dpx(int, int)':
a.cc:30:10: error: redeclaration of 'bool p'
   30 |     bool p=dpy[i-1,x1-vy[i-1]]||dpy[i-1,x1+vy[i-1]];
      |          ^
a.cc:28:10: note: 'bool p' previously declared here
   28 |     bool p;
      |          ^
a.cc:30:12: error: 'dpy' was not declared in this scope; did you mean 'dpx'?
   30 |     bool p=dpy[i-1,x1-vy[i-1]]||dpy[i-1,x1+vy[i-1]];
      |            ^~~
      |            dpx
a.cc: At global scope:
a.cc:36:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   36 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:57:26: error: 'dpy' was not declared in this scope; did you mean 'dpx'?
   57 |     if(dpx(vx.size(),x)&&dpy(vy.size(),y)) cout<<"Yes";
      |                          ^~~
      |                          dpx