#include<bits/stdc++.h>
#include "hieroglyphs.h"
using namespace std;
bool contains(const vector<int>& big, const vector<int>& small){
if (small.size()>big.size()) return false;
int n=big.size(), m=small.size();
vector<int> lps(m, 0);
for (int i=1, len=0; i<m;){
if (small[i]==small[len]){lps[i++]=++len;}
else if (len!=0){len=lps[len-1];}
else{lps[i++]=0;}
}
for (int i=0, j=0; i<n;){
if (big[i]==small[j]){
i++; j++;
}
if (j==m) return true;
else if (i<n && big[i]!=small[j]){
if (j!=0) j=lps[j-1];
else i++;
}
}
return false;
}
vector<int> ucs(vector<int> A, vector<int> B) {
if (contains(A, B)) return B;
if (contains(B, A)) return A;
return {-1};
}
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