#include<cstdio>
#include<cstring>
char s[2000001];
int n1=666013,n2=1000000007,i,j,k,l,n,r1,r2,q,nr1,nr2,cate,v[1001],nrr1=0,nrr2=0;
void taiere(int i)
    {
    if(s[i]>='A'&&s[i]<='Z')
        q=s[i]-'A';
    if(s[i]>='a'&&s[i]<='z')
        q=26+s[i]-'a';
    if(s[i]>='0'&&s[i]<='9')
        q=52+s[i]-'0';
    int x=62,y=62,qq=n-2;
    while(qq!=0)
        {
        if(qq%2==0)
            {
            x=x*x;
            y=y*y;
            qq/=2;
            }
        else
            {
            qq--;
            x*=62;
            y*=62;
            }
        x=x%n1;
        y=y%n2;
        }
    x*=q;
    y*=q;
    x%=n1;
    y%=n2;
    nrr1-=x;
    nrr2-=y;
    if(nrr1<0)
        nrr1+=n1;
    if(nrr2<0)
        nrr2+=n2;
    }
int main ()
{
freopen("strmatch.in","r",stdin);
freopen("strmatch.out","w",stdout);
gets(s);
n=strlen(s);
for(i=0;i<n;i++)
    {
    if(s[i]>='A'&&s[i]<='Z')
        q=s[i]-'A';
    if(s[i]>='a'&&s[i]<='z')
        q=26+s[i]-'a';
    if(s[i]>='0'&&s[i]<='9')
        q=52+s[i]-'0';
    nr1=nr1*62+q;
    nr2=nr2*62+q;
    nr1%=n1;
    nr2%=n2;
    }
gets(s);
int h=strlen(s);
if(h<n)
    printf("0");
else
    {
    nrr1=0,nrr2=0;
    for(i=0;i<n;i++)
        {
        if(s[i]>='A'&&s[i]<='Z')
            q=s[i]-'A';
        if(s[i]>='a'&&s[i]<='z')
            q=26+s[i]-'a';
        if(s[i]>='0'&&s[i]<='9')
            q=52+s[i]-'0';
        nrr1=nrr1*62+q;
        nrr2=nrr2*62+q;
        nrr1%=n1;
        nrr2%=n2;
        }
    if(nrr1==nr1&&nrr2==nr2)
        {
        cate++;
        v[cate]=1;
        }
    for(i=1;i<=h-n;i++)
        {
        taiere(i-1);
        if(s[i+n-1]>='A'&&s[i+n-1]<='Z')
            q=s[i+n-1]-'A';
        if(s[i+n-1]>='a'&&s[i+n-1]<='z')
            q=26+s[i+n-1]-'a';
        if(s[i+n-1]>='0'&&s[i+n-1]<='9')
            q=52+s[i+n-1]-'0';
        nrr1=nrr1*62+q;
        nrr2=nrr2*62+q;
        nrr1%=n1;
        nrr2%=n2;
        if(nrr1==nr1&&nrr2==nr2)
            {
            cate++;
            v[cate]=i;
            }
        if(cate==1000)
            break;
        }
    }
printf("%d\n",cate);
for(i=1;i<=cate;i++)
    printf("%d ",v[i]);
return 0;
}