#include<bits/stdc++.h>
#include "robots.h"
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef pair<ll,ll> pl;
typedef vector<ll> vl;
typedef vector<vl> vvl;
#define po pop_back
#define pb push_back
#define mk make_pair
#define mt make_tuple
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define BOOST ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18
#define MIN -1e18
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
#define read(x) scanf("%lld",&x);
#define print(x) printf("%lld ",x);
#define endl '\n';
typedef tree<ll , null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_multi_set;
typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n,m,ans,mid,mn,mx,cnt,T,sum,h1,h2,e[1234567],b[1234567],c[1234567],d[1<<20],k,i,j,l,r,h,a[1234567],w,x,y,z;
bool used[1234567];
vector<int> v[1234567],vec,vv1,vv2;
string s1,s;
// int sz[1234567],par[1234567];
int tr[5234567];
ll dx[4]={-1,1,0,0},dy[4]={0,0,-1,1},c1[123][123];
map<ll,ll> mp;
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]){
sort(X,X+A);
sort(Y,Y+B);
for(int i=0;i<T;i++){
if(A>0&&B>0){
if(X[A-1] <= W[i] && Y[B-1] <= S[i])return -1;
}
if(A==0){
if(Y[B-1] <= S[i])return -1;
}
if(B==0){
if(X[A-1] <= W[i])return -1;
}
}
int day=0;
int done=0;
while(done < T){
day++;
for(int i=0;i<A;i++){
int max_id = MIN, max_size = MIN;
for(int j = 0; j < T ;j++){
if(used[j]==0 && X[i] < W[j] && max_size < S[j]){
max_size = S[j];
max_id = j;
}
}
if(max_id!=MIN){
used[max_id]=1;
done++;
}
}
for(int i=0;i<B;i++){
int max_id = MIN, max_weigh = MIN;
for(int j = 0; j < T ;j++){
if(used[j]==0 && Y[i] < S[j] && max_weigh < X[j]){
max_weigh = X[j];
max_id = j;
}
}
if(max_id!=MIN){
used[max_id]=1;
done++;
}
}
}
return day;
}
