#include<bits/stdc++.h> const int MAXN=1000010; using namespace std; int kmp[MAXN]; int la,lb,j; char a[MAXN],b[MAXN]; int main() { cin>>a+1; cin>>b+1; la=strlen(a+1); lb=strlen(b+1); for (int i=2; i<=lb; i++) { while(j && b[i]!=b[j+1]) j=kmp[j]; if(b[j+1]==b[i])j++; kmp[i]=j; } j=0; for(int i=1; i<=la; i++) { while(j>0 && b[j+1]!=a[i]) j=kmp[j]; if (b[j+1]==a[i]) j++; if (j==lb) { cout<<i-lb+1<<endl; j=kmp[j]; } } for (int i=1; i<=lb; i++) cout<<kmp[i]<<" "; return 0; }