#include <iostream>
#include <cstring>
#include <vector>
#include <fstream>
#define MaxN 2000005
using namespace std;
ofstream fout("strmatch.out");
ifstream fin("strmatch.in");
vector<int>G;
char a[MaxN],b[MaxN],aux[256];
int main()
{
    fin.get(a,MaxN);
    fin.get();
    fin.get(b,MaxN);
    char *p=strstr(b,a);
    int n=strlen(b);
    while(p)
    {
        G.push_back(n-strlen(p));
        p=strstr(p+1,a);
    }
    fout<<G.size()<<endl;
    for(int i=0;i<G.size();i++)
        fout<<G[i]<<" ";
}