/*
入力 validation。WA なら OK。
*/

#include "testlib.h"
#include<bits/stdc++.h>
using namespace std;

using ll = long long;
const ll Nmin = 1, Nmax = 60000;
const ll Bmin = 0, Bmax = (1LL<<60)-1;
const ll Cmin = 0, Cmax = (1LL<<60)-1;

int main(){
	registerValidation();
    ll N = inf.readLong(Nmin,Nmax,"N");
    inf.readSpace();
    ll B = inf.readLong(Bmin,Bmax,"B");
    inf.readSpace();
    ll C = inf.readLong(Cmin,Cmax,"C");
    inf.readEoln();
	inf.readEof();
	return 0;
}