#include "testlib.h"
using ll = long long;

const ll L_MAX = 1e18, N_MAX = 10;
int main(){
    registerValidation();
    const ll L = inf.readLong(1, L_MAX);
    inf.readSpace();
    const ll N = inf.readLong(1, N_MAX);
    inf.readSpace();
    const ll M = inf.readLong(0, N);
    inf.readEoln();
    const auto K = inf.readLongs(M, 1, N);
    inf.readEoln();
    inf.readEof();
}