#include "testlib.h"

const int MIN_NABC = 2;
const int MAX_NABC = 200'000;

int main() {
    registerValidation();
    inf.readInt(MIN_NABC, MAX_NABC);
    inf.readSpace();

    inf.readInt(MIN_NABC, MAX_NABC);
    inf.readSpace();

    inf.readInt(MIN_NABC, MAX_NABC);
    inf.readSpace();

    inf.readInt(MIN_NABC, MAX_NABC);
    inf.readEoln();

    inf.readEof();
}