#include<fstream>
#include<string.h>
using namespace std;
ifstream f("strmatch.in");
ofstream g("strmatch.out");
int i,n,k,nr,v[1001];
char s1[2000005],s2[2000005],*p;
int main()
{
    f>>s1>>s2;

	
	char *q = s2;
    while((p=strstr(q,s1))!=NULL)
    {
        nr++;
        if(nr<=1000)
            {
                v[++k]=p-s2;
                //p[0]='*';
            }

		q = p+1;
    }
    g<<nr<<"\n";
    for(i=1;i<=k;i++)
        g<<v[i]<<" ";
    return 0;
}