#include<stdio.h>
#include<string.h>
using namespace std;
int v[200010];
int main()
{
    freopen("strmatch.in","r",stdin);
    freopen("strmatch.out","w",stdout);

    char s1[200010],s2[200010];
    scanf("%s",&s1); scanf("%s",&s2);


    int n1,n2; n1=strlen(s1); n2=strlen(s2);
    int cnt=0,x=1,ok,j,k,i;
    for(i=0;i<n2;i++)if(s2[i]==s1[0])
    {
        ok=1;//presupun ca gasesc secventa.
        k=i+1;j=1;
        while(j<n1)if(s1[j]!=s2[k]){ok=0;break;}else {k++;j++;}
        if(ok==1){cnt++;v[x]=i;x++;}
    }

    printf("%d\n",cnt);
    if(x>1000)x=1000;
    for(i=1;i<x;i++)printf("%d ",v[i]);

    return 0;
}