#include<iostream>
#include<fstream>
#include<cstring>
using namespace std;
std::ifstream fin("strmatch.in");
std::ofstream fout("strmatch.out");
int v[1010];
long long n=0;
std::string a,b;
int main()
{
    fin>>a;
    fin>>b;
    int x,y;
    x=b.find(a);
    y=x;
    if(x!=0){ n++;
    v[n]=x;
        while(x)
        {
            x=b.find(a,x+1);
            if (x == std::string::npos) break;
            y=x;
        n++;
        if(n<=1000)
        {
            v[n]=x;
        }
        }
    }
    fout<<n<<endl;
    for(int a=1;a<=n;a++)
    {
        fout<<v[a]<<" ";
    }
}