#include "testlib.h"

int main() {
    registerValidation();
    int N = inf.readInt(1, 100000);
    inf.readSpace();
    int M = inf.readInt(1, 100000);
    inf.readSpace();
    int K = inf.readInt(1, 100000);
    inf.readEoln();
    inf.readEof();

    ensure(K <= M);
    ensure(M <= N);
    return 0;
}