&&太好用了

#include <iostream>
using namespace std;
int main(){
    int a, b, c,d;
    cin >> a >> b >> c>>d;

    if(b>c&&d>a&&(a+b)<(c+d)&&c>0&&d>0&&a%2==0)cout<<"Valores aceitos"<<endl;
    else cout<<"Valores nao aceitos"<<endl;

    return 0;
}