// Slower C++ solution:
                                #include <bits/stdc++.h>

                                #include<iostream>

                                #include<cstdio>

                                #include<vector>

                                #include<queue>

                                #include<map>

                                #include<cstring>

                                #include<string>

                                #include <math.h>

                                #include<algorithm>

                            //    #include <boost/multiprecision/cpp_int.hpp>

                                #include<functional>

                       #define int long long

                                #define inf  10000000000007

                                #define pa pair<int,int>

                                #define ll long long

                                #define pal pair<double,pa>

                                #define ppa pair<pa,int>

                                #define ppap pair<int,pa>

                                #define ssa pair<string,int>

                                #define  mp make_pair

                                #define  pb push_back

                                #define EPS (1e-10)

                                #define equals(a,b) (fabs((a)-(b))<EPS)

                         

                                using namespace std;

                      

                                class Point{

                                	public:

                                	double x,y;

                                	Point(double x=0,double y=0):x(x),y(y) {}

                                	Point operator + (Point p) {return Point(x+p.x,y+p.y);}

                                	Point operator - (Point p) {return Point(x-p.x,y-p.y);}

                                	Point operator * (double a) {return Point(x*a,y*a);}

                                	Point operator / (double a) {return Point(x/a,y/a);}

                                	double absv() {return sqrt(norm());}

                                	double norm() {return x*x+y*y;}

                                	bool operator < (const Point &p) const{

                                		return x != p.x ? x<p.x: y<p.y;

                                	}

                                	bool operator == (const Point &p) const{

                                		return fabs(x-p.x)<EPS && fabs(y-p.y)<EPS;

                                	}

                                };

                                typedef Point Vector;

                         

                                struct Segment{

                                Point p1,p2;

                                };

                                 double dot(Vector a,Vector b){

                                	return a.x*b.x+a.y*b.y;

                                }

                                double cross(Vector a,Vector b){

                                	return a.x*b.y-a.y*b.x;

                                }

                            

    bool parareru(Point a,Point b,Point c,Point d){

    //	if(abs(cross(a-b,d-c))<EPS)cout<<"dd "<<cross(a-b,d-c)<<endl;

    	return abs(cross(a-b,d-c))<EPS;

    }

    double distance_ls_p(Point a, Point b, Point c) {

      if ( dot(b-a, c-a) < EPS ) return (c-a).absv();

      if ( dot(a-b, c-b) < EPS ) return (c-b).absv();

      return abs(cross(b-a, c-a)) / (b-a).absv();

    }

    bool is_intersected_ls(Segment a,Segment b) {

    	if(a.p1==b.p1||a.p2==b.p1||a.p1==b.p2||a.p2==b.p2) return false;

    	if(parareru((a.p2),(a.p1),(a.p1),(b.p2))&&parareru((a.p2),(a.p1),(a.p1),(b.p1))){

    //		cout<<"sss"<<endl;

    		if(dot(a.p1-b.p1,a.p1-b.p2)<EPS) return true;

    		if(dot(a.p2-b.p1,a.p2-b.p2)<EPS) return true;

    		if(dot(a.p1-b.p1,a.p2-b.p1)<EPS) return true;

    		if(dot(a.p1-b.p2,a.p2-b.p2)<EPS) return true;

    		return false;

    	}

      else return ( cross(a.p2-a.p1, b.p1-a.p1) * cross(a.p2-a.p1, b.p2-a.p1) < EPS ) && ( cross(b.p2-b.p1, a.p1-b.p1) * cross(b.p2-b.p1, a.p2-b.p1) < EPS );

    }

     

    double segment_dis(Segment a,Segment b){

    	if(is_intersected_ls(a,b))return 0;

    	double r=distance_ls_p(a.p1, a.p2, b.p1);

    	r=min(r,distance_ls_p(a.p1, a.p2, b.p2));

    	r=min(r,distance_ls_p(b.p1, b.p2, a.p2));

    	r=min(r,distance_ls_p(b.p1, b.p2, a.p1));

    	return r;

    }

    Point intersection_ls(Segment a, Segment b) {

      Point ba = b.p2-b.p1;

      double d1 = abs(cross(ba, a.p1-b.p1));

      double d2 = abs(cross(ba, a.p2-b.p1));

      double t = d1 / (d1 + d2);

     

      return a.p1 + (a.p2-a.p1) * t;

    }

     

                    string itos( int i ) {

                    ostringstream s ;

                    s << i ;

                    return s.str() ;

                    }

                     

                    int gcd(int v,int b){

                    	if(v>b) return gcd(b,v);

                    	if(v==b) return b;

                    	if(b%v==0) return v;

                    	return gcd(v,b%v);

                    }

     

                    double distans(double x1,double y1,double x2,double y2){

                    	double rr=(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);

                    	return sqrt(rr);

                    	

                    }

                    /*

    int pr[100010];

    //int inv[100010];

    */ 

    int beki(int wa,int rr,int warukazu){

    	if(rr==0) return 1ll;

    	if(rr==1) return wa%warukazu;

    	if(rr%2==1) return (beki(wa,rr-1,warukazu)*wa)%warukazu;

    	int zx=beki(wa,rr/2,warukazu);

    	return (zx*zx)%warukazu;

    }

      /*

    void gya(){

    	pr[0]=1;

    	for(int i=1;i<100010;i++){

    		pr[i]=(pr[i-1]*i)%inf;

    	}

    	for(int i=0;i<100010;i++) inv[i]=beki(pr[i],inf-2);

    	

    }

     

    */

     //sort(ve.begin(),ve.end(),greater<int>());

                             //----------------kokomade tenpure------------

    //vector<double> ans(100000000),ans2(100000000);

    

    int par[200100],ranks[200100],kosuu[200100];     

     

    void shoki(int n){

    	for(int i=0;i<n;i++){

    		par[i]=i;

    		ranks[i]=0;

    		kosuu[i]=1;

    	}

    }

     

    int root(int x){

    	return par[x]==x ? x : par[x]=root(par[x]);

    }

     

    bool same(int x,int y){

    return root(x)==root(y);

    }

     

    void unite(int x,int y){

     x=root(x);

     y=root(y);

    	int xx=kosuu[x],yy=kosuu[y];

     if(x==y) return;

    	if(ranks[x]<ranks[y]){

    		par[x]=y;

    		kosuu[y]=yy+xx;

    	}

     else {

    	par[y]=x;

    	if(ranks[x]==ranks[y]) ranks[x]=ranks[x]+1;

     	kosuu[x]=yy+xx;

     }

    	return;

    }

    



int a[2000][2000]={0};

int k;



void  nu(int e,int h,int zure){

	

	for(int i=zure;i<zure+k;i++){

		a[e+(i%k)][h+i-zure]=1;

	}

}

int l[200020],r[200020];



int kasa[100030]={0};

int imo[100030]={0};

int sumi[100030]={0};

int rootari[100030]={0};

int ans[100040]={0};



signed main(){

string s;

	cin>>s;

	int len=s.length();

	

	int n;

	cin>>n;

	for(int i=0;i<n;i++) {

		cin>>l[i]>>r[i];

		l[i]--;

		r[i]--;

	}

	for(int i=0;i<len/2;i++){

	//	n++;

		l[n]=i;

		r[n]=len-1-i;

	//	cout<<i<<" "<<len-1-i<<endl;

		n++;

	}

	if(len%2==1){

		l[n]=len/2;

		r[n]=len/2;

		n++;

	}

	

	

//	for(int i=0;i<n;i++) cout<<l[i]<<" "<<r[i]<<endl;

	for(int i=0;i<len/2;i++){

		if(s[i]<=s[len-1-i])kasa[i]= s[len-i-1]-s[i];

		else kasa[len-i-1]=-s[len-i-1]+s[i];

	}

	

	imo[0]=kasa[0];

	for(int i=1;i<=len;i++) imo[i]=kasa[i]-kasa[i-1];

	

//	for(int i=0;i<=len;i++) cout<<imo[i]<<" ";

//	cout<<endl;

	shoki(100020);

//	cout<<"d"<<endl;

	for(int i=0;i<n;i++){

//		cout<<l[i]<<" "<<r[i]+1<<endl;

		unite(l[i],r[i]+1);

	//	cout<<l[i]<<" "<<r[i]+1<<endl;

		sumi[l[i]]=1;

		sumi[r[i]+1]=1;

	}

	

	

	for(int i=0;i<=len;i++){

		ans[root(i)]+=imo[i];

	}

	

	for(int i=0;i<=len;i++) rootari[root(i)]=1;

	

	bool b=true;

	for(int i=0;i<=len;i++){

		if(rootari[i]==0) continue;

//		cout<<ans[i]<<endl;

		if(sumi[i]==0 && (ans[i]%26) !=0) b=false;

		if(sumi[i]==1 &&( ans[i]%26)!=0) b=false;

	}

	

	cout<< (b?"YES":"NO")<<endl;

	

	return 0;

}


// Faster C++ solution for the same problem (measured speedup: 3.2858629145202234x):
   #include <bits/stdc++.h>

 

//    #include <boost/multiprecision/cpp_int.hpp>

 #define int long long

 #define inf  1000000007

 #define pa pair<int,int>

 #define ll long long

 #define pal pair<double,double>

 #define ppap pair<pa,int>

  #define PI 3.14159265358979323846

  #define paa pair<int,char>

  #define  mp make_pair

  #define  pb push_back

  #define EPS (1e-8)

                                          

    int dx[8]={0,1,0,-1,1,1,-1,-1};

    int dy[8]={1,0,-1,0,-1,1,1,-1};

                                            using namespace std;

                                   			class pa3{

                                            	public:

                                            	int x;

                                   				int y,z;

                                            	pa3(int x=0,int y=0,int z=0):x(x),y(y),z(z) {}

                                            	bool operator < (const pa3 &p) const{

                                            		if(x!=p.x) return x<p.x;

                                            		if(y!=p.y) return y<p.y;

                                            		 return z<p.z;

                                            		//return x != p.x ? x<p.x: y<p.y;

                                            	}

                                   				bool operator > (const pa3 &p) const{

                                            		if(x!=p.x) return x>p.x;

                                            		if(y!=p.y) return y>p.y;

                                            		 return z>p.z;

                                            		//return x != p.x ? x<p.x: y<p.y;

                                            	}

                                            	bool operator == (const pa3 &p) const{

                                            		return x==p.x && y==p.y && z==p.z;

                                            	}

                                            		bool operator != (const pa3 &p) const{

                                            			return !( x==p.x && y==p.y && z==p.z);

                                            	}

                                            

                                            };

                                            

                                            class pa4{

                                            	public:

                                            	int x;

                                            	int y,z,w;

                                            	pa4(int x=0,int y=0,int z=0,int w=0):x(x),y(y),z(z),w(w) {}

                                            	bool operator < (const pa4 &p) const{

                                            		if(x!=p.x) return x<p.x;

                                            		if(y!=p.y) return y<p.y;

                                            		if(z!=p.z)return z<p.z;

                                            		return w<p.w;

                                            		//return x != p.x ? x<p.x: y<p.y;

                                            	}

                                            	bool operator > (const pa4 &p) const{

                                            		if(x!=p.x) return x>p.x;

                                            		if(y!=p.y) return y>p.y;

                                            		if(z!=p.z)return z>p.z;

                                            		return w>p.w;

                                            		//return x != p.x ? x<p.x: y<p.y;

                                            	}

                                            	bool operator == (const pa4 &p) const{

                                            		return x==p.x && y==p.y && z==p.z &&w==p.w;

                                            	}

                                            		

                                            

                                            };

                                            class pa2{

                                            	public:

                                            	int x,y;

                                            	pa2(int x=0,int y=0):x(x),y(y) {}

                                            	pa2 operator + (pa2 p) {return pa2(x+p.x,y+p.y);}

                                            	pa2 operator - (pa2 p) {return pa2(x-p.x,y-p.y);}

                                            	bool operator < (const pa2 &p) const{

                                            		return y != p.y ? y<p.y: x<p.x;

                                            	}

                                            	bool operator > (const pa2 &p) const{

                                            		return x != p.x ? x<p.x: y<p.y;

                                            	}

                                            	bool operator == (const pa2 &p) const{

                                            		return abs(x-p.x)==0 && abs(y-p.y)==0;

                                            	}

                                            	bool operator != (const pa2 &p) const{

                                            		return !(abs(x-p.x)==0 && abs(y-p.y)==0);

                                            	}

                                            		

                                            

                                            };

                                            

 

                      

                                string itos( int i ) {

                                ostringstream s ;

                                s << i ;

                                return s.str() ;

                                }

                                 

                                int gcd(int v,int b){

                                	if(v==0) return b;

                                	if(b==0) return v;

                                	if(v>b) return gcd(b,v);

                                	if(v==b) return b;

                                	if(b%v==0) return v;

                                	return gcd(v,b%v);

                                }

                 

                            

                                int mod;

int extgcd(int a, int b, int &x, int &y) {

    if (b == 0) {

        x = 1;

        y = 0;

        return a;

    }

    int d = extgcd(b, a%b, y, x);

    y -= a/b * x;

    return d;

}

pa operator+(const pa & l,const pa & r) {   

    return {l.first+r.first,l.second+r.second};                                    

}    

pa operator-(const pa & l,const pa & r) {   

    return {l.first-r.first,l.second-r.second};                                    

}  

                                

                int pr[1000010];

                int inv[1000010];

                

                int beki(int wa,int rr,int warukazu){

                	if(rr==0) return 1%warukazu;

                	if(rr==1) return wa%warukazu;

                	wa%=warukazu;

                	if(rr%2==1) return ((ll)beki(wa,rr-1,warukazu)*(ll)wa)%warukazu;

                	ll zx=beki(wa,rr/2,warukazu);

                	return (zx*zx)%warukazu;

                }

 

                

    			int comb(int nn,int rr){

    				if(rr<0 || rr>nn || nn<0) return 0;

    				int r=pr[nn]*inv[rr];

    				r%=mod;

    				r*=inv[nn-rr];

    				r%=mod;

    				return r;

    			}

               

                void gya(int ert){

                	pr[0]=1;

                	for(int i=1;i<=ert;i++){

                		pr[i]=(pr[i-1]*i)%mod;

                	}

                		inv[ert]=beki(pr[ert],mod-2,mod);

                	for(int i=ert-1;i>=0;i--){

                		inv[i]=inv[i+1]*(i+1)%mod;

                	}

                }

                

              //   cin.tie(0);

    		//	ios::sync_with_stdio(false);

    			//priority_queue<pa3,vector<pa3>,greater<pa3>> pq;            

                 //sort(ve.begin(),ve.end(),greater<int>());

 //   mt19937(clock_per_sec);

  //  mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()) ;

      

       

       

                               //----------------kokomade tenpure------------



struct unionfind{

	private:

	public:

	

vector<int> par,ranks,kosuu;

	

	void shoki(int N){

		par.resize(N+1,0);

		ranks.resize(N+1,0);

		kosuu.resize(N+1,1);

		for(int i=0;i<=N;i++){

			par[i]=i;

		}

	}



	int root(int x){

		return par[x]==x ? x : par[x]=root(par[x]);

	}



	bool same(int x,int y){

		return root(x)==root(y);

	}

	bool is_root(int x){

		return x==root(x);

	}

	void unite(int x,int y){

 		x=root(x);

	 	y=root(y);

		int xx=kosuu[x],yy=kosuu[y];

	 	if(x==y) return;

		if(ranks[x]<ranks[y]){

			par[x]=y;

			kosuu[y]=yy+xx;

		}

	 	else {

			par[y]=x;

			if(ranks[x]==ranks[y]) ranks[x]=ranks[x]+1;

	 		kosuu[x]=yy+xx;

	 	}

		return;

	}

};

int l;



int g(int x){

	return min(x,l+2-x);

}

int sa[100020];

signed main(){



   cin.tie(0);

	ios::sync_with_stdio(false);



string s;

	cin>>s;

	 l=s.length();

	s=" "+s;

	s[0]='a';

	unionfind uf;

	for(int i=1;i<=l;i++){

		sa[i]=s[i]-s[i-1]+26;

	}

	sa[l+1]=('a'-s.back()+26);

	//cout<<s[l+1]<<endl;

	

	uf.shoki(l+100);

	int n;

	cin>>n;

	for(int i=0;i<n;i++){

		int x,y;

		cin>>x>>y;

		y++;

		x=g(x),y=g(y);

//		cout<<x<<" "<<y<<endl;

		if(x==y) continue;

		uf.unite(x,y);

	}

	int h=(l+2)/2;

	map<int,int>ma;

	for(int i=1;i<=l+1;i++){

	//	cout<<sa[i]<<endl;

		int r=uf.root(g(i));

		ma[r]+=sa[i];

	}

	

	for(auto it=ma.begin();it!=ma.end();it++){

		int y=(*it).second;

		y=abs(y);

		if(y%26){

			cout<<"NO"<<endl;

			return 0;

		}

	}

	cout<<"YES"<<endl;

	

return 0;

 	

 

 }