#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b,c,d;
    cin>>a>>b>>c>>d;
    int max_val=a;
    if (max_val<b){
        max_val=b;
    }
    if (max_val<c){
        max_val=c;
    }
    if (max_val<d){
        max_val=d;
    }
    int max=a;
    if (max<b && max_val>b){
        max=b;
    }
    if (max<c && max_val>c){
        max=c;
    }
    if (max<d && max_val>d){
        max=d;
    }
    int min_val=a;
    if (min_val>b){
        min_val=b;
    }
    if (min_val>c){
        min_val=c;
    }
    if (min_val>d){
        min_val=d;
    }
    int min=a;
    if (min>b && min_val<b){
        min=b;
    }
    if (min>c && min_val<c){
        min=c;
    }
    if (min>d && min_val<d){
        min=d;
    }
     
    cout<<max_val<<" "<<max<<" "<<min<<" "<<min_val<<endl;
}
/**************************************************************
	Problem: 1705
	User: HUANGYIBO
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/