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#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ifstream f("subsir.in");
ofstream g("subsir.out");
char a[512],b[512];
int i,j,n,m,k,s,max1=0,d[625][625],pos,sol=0;
int main()
{
f>>a;
f>>b;
n=strlen(a);
m=strlen(b);
for(i=0;i<n;i++)
for(j=0;j<m;j++)
{
if(a[i]==b[j])
d[i][j]=d[i-1][j-1]+1;
else
d[i][j]=max(d[i-1][j],d[i][j-1]);
max1=max(max1,d[i][j]);
}
for(i=n-1;i>=0;i--)
for(j=0;j<m;j++)
{
if(pos>=m)
{
g<<sol%666013;
return 0;
}
if(d[i][j]==max1)
{
sol++;
pos=j+1;
break;
}
}
}