// {{{ by shik
#include <bits/stdc++.h>
#include <unistd.h>
#pragma GCC diagnostic ignored "-Wunused-result"
#pragma GCC diagnostic ignored "-Wunused-function"
#define SZ(x) ((int)(x).size())
#define ALL(x) begin(x), end(x)
#define REP(i, n) for (int i = 0; i < int(n); i++)
#define REP1(i, a, b) for (int i = (a); i <= int(b); i++)
#define MP make_pair
#define PB push_back
using namespace std;
typedef int64_t LL;
typedef pair<int, int> PII;
typedef vector<int> VI;

namespace { namespace shik {

template<class T> void _R(T &x) { cin >> x; }
void _R(int &x) { scanf("%d", &x); }
void _R(int64_t &x) { scanf("%" SCNd64, &x); }
void _R(double &x) { scanf("%lf", &x); }
void _R(char &x) { scanf(" %c", &x); }
void _R(char *x) { scanf("%s", x); }
void R() {}
template<class T, class... U> void R(T &head, U &... tail) { _R(head); R(tail...); }

template<class T> void _W(const T &x) { cout << x; }
void _W(const int &x) { printf("%d", x); }
void _W(const int64_t &x) { printf("%" PRId64, x); }
void _W(const double &x) { printf("%.16f", x); }
void _W(const char &x) { putchar(x); }
void _W(const char *x) { printf("%s", x); }
template<class T> void _W(const vector<T> &x) { for (auto i = x.begin(); i != x.end(); _W(*i++)) if (i != x.cbegin()) putchar(' '); }
void W() {}
template<class T, class... U> void W(const T &head, const U &... tail) { _W(head); putchar(sizeof...(tail) ? ' ' : '\n'); W(tail...); }

#ifdef SHIK
#include "dump.hpp"
#else
#define dump(...)
#endif

template<class T, class F = less<T>> void sort_uniq(vector<T> &v, F f = F()) { sort(begin(v), end(v), f); v.resize(unique(begin(v), end(v)) - begin(v)); }
template<class T> inline T bit(T x, int i) { return (x >> i) & 1; }
template<class T> inline bool chkmax(T &a, const T &b) { return b > a ? a = b, true : false; }
template<class T> inline bool chkmin(T &a, const T &b) { return b < a ? a = b, true : false; }
template<class T> using MaxHeap = priority_queue<T>;
template<class T> using MinHeap = priority_queue<T, vector<T>, greater<T>>;

// }}}

// {{{ DJS
struct DJS {
    vector<int> fa, sz;
    void init(int n) {
        n++; // be nice for 1-index usage
        fa.resize(n);
        sz.resize(n);
        for (int i = 0; i < n; i++) {
            fa[i] = i;
            sz[i] = 1;
        }
    }
    int f(int x) {
        return x == fa[x] ? x : fa[x] = f(fa[x]);
    }
    void u(int a, int b) {
        a = f(a);
        b = f(b);
        if (a == b) return;
        if (sz[a] > sz[b]) swap(a, b);
        fa[a] = b;
        sz[b] += sz[a];
    }
    bool is_root(int x) {
        return x == fa[x];
    }
    bool same(int a, int b) {
        return f(a) == f(b);
    }
};
// }}}
// {{{ ModInt
template<int _MOD>
struct ModInt {
    static const auto MOD = _MOD;
    template<class T> using integral_only = typename enable_if<is_integral<T>::value>::type;

    int x;
    constexpr ModInt() : x() {}
    template<class T, integral_only<T>* = nullptr>
    ModInt(T _x) {
        x = _x % MOD;
        if (x < 0) x += MOD;
    }
    ModInt operator-() const { return {x == 0 ? 0 : MOD-x}; }
    ModInt& operator+=(ModInt rhs) {
        x += rhs.x;
        if (x >= MOD) x -= MOD;
        return *this;
    }
    ModInt& operator-=(ModInt rhs) {
        x -= rhs.x;
        if (x < 0) x += MOD;
        return *this;
    }
    ModInt& operator*=(ModInt rhs) {
        x = (long long)x * rhs.x % MOD;
        return *this;
    }
    ModInt& operator/=(ModInt rhs) {
        return *this *= rhs.inv();
    }
    ModInt operator+(ModInt rhs) const { return ModInt(*this) += rhs; }
    ModInt operator-(ModInt rhs) const { return ModInt(*this) -= rhs; }
    ModInt operator*(ModInt rhs) const { return ModInt(*this) *= rhs; }
    ModInt operator/(ModInt rhs) const { return ModInt(*this) /= rhs; }
    ModInt inv() const {
        // should work for non-prime MOD if gcd(x, MOD) = 1
        int a = x, b = MOD, u = 1, v = 0;
        while (b != 0) {
            int t = a / b;
            a -= t * b;
            u -= t * v;
            swap(a, b);
            swap(u, v);
        }
        return u;
    }
    template<class T, integral_only<T>* = nullptr>
    ModInt pow(T e) {
        ModInt r = 1, p = *this;
        while (e) {
            if (e & 1) r *= p;
            p *= p;
            e >>= 1;
        }
        return r;
    }
    bool operator==(ModInt rhs) const { return x == rhs.x; }
    bool operator!=(ModInt rhs) const { return x != rhs.x; }
    bool operator<(ModInt rhs) const { return x < rhs.x; }
    bool operator<=(ModInt rhs) const { return x <= rhs.x; }
    bool operator>(ModInt rhs) const { return x > rhs.x; }
    bool operator>=(ModInt rhs) const { return x >= rhs.x; }
    friend string to_string(ModInt i) { return to_string(i.x); }
    friend ostream& operator<<(ostream &os, ModInt i) { return os << i.x; }
};
// }}}

using mint = ModInt<26>;

const int N=1e5+10;
int n,m,l[N],r[N],a[N];
char s[N];
VI cc[N];
void main() {
    scanf("%s",s+1);
    n=strlen(s+1);
    R(m);
    REP(i,m) R(l[i],r[i]);
    REP1(i,1,n/2) {
        a[i]=s[i]-s[n-i+1];
    }
    DJS djs;
    djs.init(n/2+1);
    for ( int i=n/2; i>=1; i-- ) a[i]-=a[i-1];
    REP(i,m) {
        int ll,rr;
        if ( r[i]<=n/2 ) {
            ll=l[i];
            rr=r[i];
        } else if ( l[i]>n/2 ) {
            ll=n-r[i]+1;
            rr=n-l[i]+1;
        } else {
            assert(l[i]<=n/2 && r[i]>n/2);
            int l1=l[i],r1=n-r[i]+1;
            int l2=n-l[i]+1,r2=r[i];
            if ( l1<=r1 ) {
                ll=l1;
                rr=r1-1;
            } else if ( l2<=r2 ) {
                ll=n-r2+1;
                rr=n-l2;
            } else {
                assert(0);
            }
        }
        dump(i,l[i],r[i],ll,rr);
        if ( rr==n/2+1 ) rr--;
        assert(ll<=rr+1);
        djs.u(ll,rr+1);
    }
    REP1(i,1,n/2) cc[djs.f(i)].PB(i);
    int sp=djs.f(n/2+1);
    REP1(i,1,n/2) if ( !cc[i].empty() && i!=sp ) {
        auto &v=cc[i];
        mint sa=0;
        for ( auto j:v ) sa+=a[j];
        if ( sa!=0 ) {
            W("NO");
            return;
        }
    }
    W("YES");
}

// {{{ main
}}
int main() { shik::main(); return 0; }
// }}}


Measured memory_bytes: 5248