#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    if(a<b)swap(a,b);
    if(a<c)swap(a,c);
    if(a<d)swap(a,d);
    if(b<c)swap(b,c);
    if(b<d)swap(b,d);
    if(c<d)swap(d,c);
    if(d+2==c&&c+2==b&&b+2==a) cout<<d<<"+2="<<c<<endl<<c<<"+2="<<b<<endl<<b<<"+2="<<a;
    else cout<<a<<" "<<b<<" "<<c<<" "<<d<<" ";
    return 0;
}
/**************************************************************
	Problem: 1046
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/