#include <bits/stdc++.h>
using namespace std;
#define int long long int
#define double long double
inline int power(int a, int b) {
int x = 1;
while (b) {
if (b & 1) x *= a;
a *= a;
b >>= 1;
}
return x;
}
const int M = 1000000007;
const int N = 3e5+9;
const int INF = 2e9+1;
const int LINF = 2000000000000000001;
//_ ***************************** START Below *******************************
vector<int> a;
vector<int> b;
void consistency(int n, int k) {
//* Assuming a[0] < b[0]
int i=0, j=n-1;
int maxSum = 0;
int x = -1, y = -1;
while(i<n && j>=0){
int sum = a[i] + b[j];
if(sum <= k){
if(sum>maxSum){
maxSum = sum;
x = i;
y = j;
}
i++;
}
else if(sum >= k){
j--;
}
}
cout << maxSum << " => " << a[x] << " , " << b[y] << endl;
}
void solve() {
int n, k;
cin >> n >> k ;
a.resize(n);
b.resize(n);
for(int i=0; i<n; i++) cin >> a[i];
for(int i=0; i<n; i++) cin >> b[i];
consistency(n, k);
}
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
// cin >> t;
while (t--) {
solve();
}
return 0;
}
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