#include<bits/stdc++.h>
using namespace std;
char s1[1000001];
char s2[1000001];
int next[1000001];
void getnext()
{
int i=-1,j=0;//前缀与后缀
next[0]=-1;
while(j<strlen(s2))
{
if(i==-1||s2[i]==s2[j])
{
i++;j++;
next[j]=i;
}
else i=next[i];
}
}
int main()
{
// freopen("1.in","r",stdin);
// freopen("1.out","w",stdout);
scanf("%s%s",s1,s2);
getnext();int i=0,j=0;
int l=strlen(s2);
while(i<strlen(s1))
{
if(j==-1||s1[i]==s2[j])
{
i++,j++;
}
else j=next[j];
if(j==l)
{
printf("%d\n",i-j+1);
}
}
for(int i=1;i<=l;i++)printf("%d ",next[i]);
return 0;
}