1

#include <iostream>

using namespace std;

void main()
{
    setlocale(LC_ALL, "Russian");
    int a,b,c,d,a1,b1,c1,a12,b12,c12,d12;
    cout<<"Введите a, b, c, d: ";
    cin>>a>>b>>c>>d;

    if (a<=b && b<=c && c<=d) {
        ((a1=d, b1=d, c1=d)&&cout<<"Новые числа1: "<<a1<<b1<<c1<<d<<endl);
    } else {
        if (!(a>b && b>c && c>d)){
            ((a12=a*a, b12=b*b, c12=c*c, d12=d*d)&&cout<<"Новые числа1: "<<a12<<b12<<c12<<d12<<endl);
        }
    }

}