#include<iostream>
#include<cstdio>
#include<cstring>
#include<vector>
#define maxn 2000005
using namespace std;
char *p,a[maxn],b[maxn];
vector < int > st;
int i;
int main()
{
    freopen("strmatch.in","r",stdin);
    freopen("strmatch.out","w",stdout);
    gets(a);    gets(b);
    p = strstr(b,a);
    while(p>0)
    {
        st.push_back(p-b);
        p = strstr(p+1,a);
    }
    printf("%d\n",st.size());
    for(i=0; i<st.size(); ++i)
        printf("%d ",st[i]);
    return 0;
}