#include<fstream>
#include<cstring>
using namespace std;
ifstream in("iv.in");
ofstream out("iv.out");
int na,nb,mat[501][501][501];
char a[501],b[501];
int main (void) {
    in >> a+1;
    in >> b+1;
    na=strlen (a+1);
    nb=strlen (b+1);
    mat[0][0][na+1] = 1;
    for (int i = 0; i <= na; i ++) {
        for (int j = 0; j <= nb; j ++) {
            for (int k = na+1; k >= 1; k --) {
                if (i == 0 && j == 0 && k == na+1) continue;
                int l = nb -(i+j -(na-k));
                if (a[i] == a[k] && i > 0 && k < na+1) {
                    mat[i][j][k] += mat[i-1][j][k-1];
                }
                if (a[i] == b[l] && i > 0 && l < nb+1) {
                    mat[i][j][k] += mat[i-1][j][k];
                }
                if (b[j] == a[k] && j > 0 && k <= na+1) {
                    mat[i][j][k] += mat[i][j-1][k-1];
                }
                if (b[j] == b[l] && j > 0 && l <= nb + 1) {
                    mat[i][j][k] += mat[i][j-1][k];
                }
            }
        }
    }
    out << mat[na][nb][1];


    return 0;
}