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#include<bits/stdc++.h>
using namespace std;
int a[100001],b[100001],ans[100001],n,m,x=1,y=1,k=1;
void f()
{
	while(x<=n and y<=m)
	{
		if(a[x]<b[y]) ans[k++]=a[x++];
		else ans[k++]=b[y++]; 
	}
	while(y<=m) ans[k++]=b[y++];
	while(x<=n) ans[k++]=a[x++];
	for(int i=1;i<k;++i) cout<<ans[i]<<" ";
}
int main()
{
	cin>>n>>m;
	for(int i=1;i<=n;i++) cin>>a[i];
	for(int j=1;j<=m;j++) cin>>b[j];
	f();
}