#include<bits/stdc++.h>
using namespace std;

#define int long long

#define rep(i,n) for(int i=0;i<(n);i++)
#define pb push_back
#define all(v) (v).begin(),(v).end()
#define fi first
#define se second
typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;

template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}

class SuffixArray{
    void create_begin_bucket(vector<int>&v,vector<int>&bucket){
        fill(bucket.begin(),bucket.end(),0);
        for(int i=0;i<v.size();i++)bucket[v[i]]++;
        int sum=0;
        for(int i=0;i<bucket.size();i++){bucket[i]+=sum;swap(sum,bucket[i]);}
    }

    void create_end_bucket(vector<int>&v,vector<int>&bucket){
        fill(bucket.begin(),bucket.end(),0);
        for(int i=0;i<v.size();i++)bucket[v[i]]++;
        for(int i=1;i<bucket.size();i++)bucket[i]+=bucket[i-1];
    }

    void induced_sort(vector<int>&v,vector<int>&sa,int mv,vector<int>&bucket,vector<int>&is_l){
        create_begin_bucket(v,bucket);
        for(int i=0;i<v.size();i++)if(sa[i]>0&&is_l[sa[i]-1])sa[bucket[v[sa[i]-1]]++]=sa[i]-1;
    }

    void invert_induced_sort(vector<int>&v,vector<int>&sa,int mv,vector<int>&bucket,vector<int>&is_l){
        create_end_bucket(v,bucket);
        for(int i=v.size()-1;i>=0;i--)if(sa[i]>0&&!is_l[sa[i]-1])sa[--bucket[v[sa[i]-1]]]=sa[i]-1;
    }

    vector<int>sa_is(vector<int>v,int mv){
        if(v.size()==1)return vector<int>(1,0);

        vector<int>is_l(v.size());
        vector<int>bucket(mv+1);
        vector<int>sa(v.size(),-1);
        auto is_lms=[&](int x)->bool{return x>0&&is_l[x-1]&&!is_l[x];};

        is_l[v.size()-1]=0;
        for(int i=v.size()-2;i>=0;i--)is_l[i]=v[i]>v[i+1]||(v[i]==v[i+1]&&is_l[i+1]);
        create_end_bucket(v,bucket);
        for(int i=0;i<v.size();i++)if(is_lms(i))sa[--bucket[v[i]]]=i;
        induced_sort(v,sa,mv,bucket,is_l);
        invert_induced_sort(v,sa,mv,bucket,is_l);

        int cur=0;
        vector<int>order(v.size());
        for(int i=0;i<v.size();i++)if(is_lms(i))order[i]=cur++;

        vector<int>next_v(cur);
        cur=-1;
        int prev=-1;
        for(int i=0;i<v.size();i++){
            if(!is_lms(sa[i]))continue;
            bool diff=false;
            for(int d=0;d<v.size();d++){
                if(prev==-1||v[sa[i]+d]!=v[prev+d]||is_l[sa[i]+d]!=is_l[prev+d]){
                    diff=true;
                    break;
                }
                else if(d>0&&is_lms(sa[i]+d))break;
            }
            if(diff){cur++;prev=sa[i];}
            next_v[order[sa[i]]]=cur;
        }

        vector<int>re_order(next_v.size());
        for(int i=0;i<v.size();i++)if(is_lms(i))re_order[order[i]]=i;
        vector<int>next_sa=sa_is(next_v,cur);
        create_end_bucket(v,bucket);
        for(int i=0;i<sa.size();i++)sa[i]=-1;
        for(int i=next_sa.size()-1;i>=0;i--)sa[--bucket[v[re_order[next_sa[i]]]]]=re_order[next_sa[i]];
        induced_sort(v,sa,mv,bucket,is_l);
        invert_induced_sort(v,sa,mv,bucket,is_l);
        return sa;
    }

    void sa_is(string &s){
        vector<int>v(s.size()+1);
        for(int i=0;i<s.size();i++)v[i]=s[i];
        sa=sa_is(v,*max_element(v.begin(),v.end()));
    }

    void construct_lcp(){
        lcp.resize(s.size());
        rank.resize(s.size()+1);
        int n=s.size();
        for(int i=0;i<=n;i++)rank[sa[i]]=i;
        int h=0;
        lcp[0]=0;
        for(int i=0;i<n;i++){
            int j=sa[rank[i]-1];

            if(h>0)h--;
            for(;j+h<n&&i+h<n;h++){
                if(s[j+h]!=s[i+h])break;
            }
            lcp[rank[i]-1]=h;
        }
    }

    struct segtree{
        int N;
        vector<int>dat;
        void init(vector<int> &v){
            for(N=1;N<v.size();N<<=1);
            dat.resize(N*2,1001001001);
            for(int i=0;i<v.size();i++)dat[i+N-1]=v[i];
            for(int i=N-2;i>=0;i--)dat[i]=min(dat[i*2+1],dat[i*2+2]);
        }
        int get_min(int a,int b,int k,int l,int r){
            if(r<=a||b<=l)return 1001001001;
            if(a<=l&&r<=b)return dat[k];
            return min(get_min(a,b,k*2+1,l,(l+r)/2),get_min(a,b,k*2+2,(l+r)/2,r));
        }
        int get_min(int a,int b){return get_min(a,b,0,0,N);}
    };
    class sparse_table{
        vector<vector<int> >st;
    public:
        void init(vector<int>vec){
            int b;
            for(b=0;(1<<b)<=vec.size();b++);
            st.assign(b,vector<int>(1<<b));
            for(int i=0;i<vec.size();i++)st[0][i]=vec[i];

            for(int i=1;i<b;i++){
                for(int j=0;j+(1<<i)<=(1<<b);j++){
                    st[i][j]=min(st[i-1][j],st[i-1][j+(1<<(i-1))]);
                }
            }
        }
        int get_min(int l,int r){
            assert(l<r);
            int b=32-__builtin_clz(r-l)-1;
            return min(st[b][l],st[b][r-(1<<b)]);
        }
        sparse_table(){}
        sparse_table(vector<int>vec){init(vec);}
    };
public:
    segtree st;
    string s;
    vector<int>sa,lcp,rank;
    void init(string &t){;
        s=t;
        sa_is(s);
        construct_lcp();
        st.init(lcp);
    }
    SuffixArray(string &t){init(t);}
    SuffixArray(){}

    bool contain(string &t){
        int lb=0,ub=s.size();
        while(ub-lb>1){
            int mid=(lb+ub)/2;
            if(s.compare(sa[mid],t.size(),t)<0)lb=mid;
            else ub=mid;
        }
        return s.compare(sa[ub],t.size(),t)==0;
    }

    int get_lcp(int i,int j){
        assert(i!=j);
        if(rank[i]>rank[j])swap(i,j);
        return st.get_min(rank[i],rank[j]);
    }
    int operator[](const int idx)const{
        return sa[idx];
    }
};


vint calcL(string s){
    string S=string(1,s[0]);
    for(int i=1;i<s.size();i++){
        S+="*";
        S+=s[i];
    }

    vint R(S.size());
    int i = 0, j = 0;
    while (i < S.size()) {
      while(i-j >= 0 && i+j < S.size() && S[i-j] == S[i+j]) ++j;
      R[i] = j;
      int k = 1;
      while(i-k >= 0 && i+k < S.size() && k+R[i-k] < j) R[i+k] = R[i-k], ++k;
      i += k; j -= k;
    }

    vint l(s.size());
    for(int i=0;i<S.size();i+=2){
        int w=(R[i]-1)/2;
        chmax(l[i/2-w],w*2+1);
    }

    for(int i=1;i<S.size();i+=2){
        int w=R[i]/2;
        chmax(l[i/2-w+1],w*2);
    }

    for(int i=0;i+1<s.size();i++){
        chmax(l[i+1],l[i]-2);
    }
    return l;
}

signed main(){
    string S,T;
    cin>>S>>T;
    vint l=calcL(S);

    SuffixArray s(S);
    vector<set<int>>se(S.size()+1);

    string ST=S+"*"+T;
    SuffixArray st(ST);
    vint acc(S.size()+T.size()+114);
    for(int i=0;i<st.sa.size();i++){
        if(st.sa[i]>S.size())acc[i+1]++;
        acc[i+1]+=acc[i];
    }

    int ans=0;
    for(int i=0;i<S.size();i++){
        auto it=se[l[i]].lower_bound(s.rank[i]);
        if(it!=se[l[i]].end()){
            if(s.st.get_min(s.rank[i],*it)>=l[i])continue;
        }
        if(it!=se[l[i]].begin()){
            it--;
            if(s.st.get_min(*it,s.rank[i])>=l[i])continue;
        }

        int lef,rig;
        int lb=0,ub=st.rank[i];
        while(ub-lb>1){
            int mid=(ub+lb)/2;
            if(st.st.get_min(mid,st.rank[i])>=l[i])ub=mid;
            else lb=mid;
        }
        lef=ub;

        lb=st.rank[i],ub=st.sa.size();
        while(ub-lb>1){
            int mid=(ub+lb)/2;
            if(st.st.get_min(st.rank[i],mid)>=l[i])lb=mid;
            else ub=mid;
        }
        rig=ub;

        int x=acc[rig]-acc[lef];
        int y=rig-lef-x;
        ans+=x*y;

        se[l[i]].insert(s.rank[i]);
    }

    cout<<ans<<endl;
    return 0;
}