#include <iostream>
#include <fstream>
using namespace std;

ifstream f("strmatch.in");
ofstream g("strmatch.out");

#include <cstring>
#define LE 4000666
#define cout g

string a,b;
int Z[LE];

int main()
{
    f>>a>>b;
    int ni=a.length();
    a+=b;
    int N=a.length(),i;
    a+="   ";
    int st=0,dr=0,result=0;
/*
    for(i=1; i<N; ++i)
    {
        int p=i;
        if (dr>i) p=min(i+Z[i-st],dr+1);
        while (a[p]==a[p-i]) ++p;
        Z[i]=p-i;
        if (p>i) st=i,dr=p-1;
    }

    for(i=ni; i<N; ++i)
        if (Z[i]>=ni)
            ++result;

    int nr=0;
    cout<<result<<'\n';

    for(i=ni; i<N; ++i)
        if (Z[i]>=ni&&nr+1<=1000)
        {
            ++nr;
            cout<<i-ni<<" ";
        }
        */
    return 0;
}