// Checker by Baoshuo <i@baoshuo.ren>

#include <utility>

#include "testlib.h"

const int N = 1e5 + 5;

long long n, z, a[N], d[N];

int main(int argc, char *argv[]) {
    registerTestlibCmd(argc, argv);

    n = inf.readLong();
    z = inf.readLong();

    for (int i = 1; i <= n; i++) {
        d[i] = inf.readLong();
        a[i] = inf.readLong();
    }

    std::string pa = ouf.readToken();
    std::string ja = ans.readToken();

    if (pa != ja) {
        quitf(_wa, "expected '%s', but got '%s'", ja.c_str(), pa.c_str());
    }

    if (ja == "NIE") quitf(_ok, "correct");

    for (int i = 1; i <= n; i++) {
        int p = ouf.readLong();

        z -= d[p];
        if (z <= 0) quitf(_wa, "wrong answer");
        z += a[p];
    }

    quitf(_ok, "correct");
}