#include <bits/stdc++.h>
using namespace std;
int main() {
int N, K, X, A[100001], B[100001], idx;
cin >> N >> K >> X;
for(int i = 0; i < N; i++)
cin >> A[i];
for(int i = 0; i < N; i++)
cin >> B[i];
idx = lower_bound(A, A+N, X)-A;
return 0;
}
/*
4 3 5
0 4 6 10
135 72 7 1273
*/
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