#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define yes cout<<"YES\n";
#define no cout<<"NO\n";
const int N=3e5+7;
ll T = 1, a[N], b[N];
void solve()
{
int n, m;
cin >> n >> m;
for(int i = 1; i <= n; i++)
cin >> a[i];
for(int i = 1; i <= m; i++)
cin >> b[i];
int l = 1, r = 1;
while(l <= n && r <= m){
if(a[l] <= b[r])
cout << a[l] << ' ', l++;
else
cout << b[r] << ' ', r++;
}
while(l <= n)
cout << a[l] << ' ', l++;
while(r <= m)
cout << b[r] << ' ', r++;
}
int main()
{
ios::sync_with_stdio(NULL);
cin.tie(0);
cout.tie(0);
// freopen("","r", stdin);
// freopen("","w", stdout);
// cin>>T;
while(T--)
solve();
return 0;
}
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