#include<bits/stdc++.h>
using namespace std;
int a,b,c,d;
int main()
{
    cin>>a>>b>>c>>d;
    if(b>c&&d>a&&c+d>a+b&&c>0&&d>0&&a%2==0)//要同时满足条件用逻辑“与”连接，a为偶数则对2取余恒为0
    cout<<"Valores aceitos"<<endl;
    else cout<<"Valores nao aceitos"<<endl;
    return 0;

}