C :

#include <stdio.h>
void main()
{
	int a,b,c,d,t;
	scanf("%d %d %d %d",&a,&b,&c,&d);
	if(a%2==1&&b%2==1&&c%2==1&&d%2==1)
	{
		if(a>b)
		{
			t=a;
			a=b;
			b=t;
			
		} 
		if(b>c)
		{
			t=b;
			b=c;
			c=t;
		}
		if(c>d)
		{
			t=c;
			c=d;
			d=t;
		}
		if(a>b)
		{
			t=a;
			a=b;
			b=t;	
		}
		if(b>c)
		{
			t=b;
			b=c;
			c=t;
		}
		if(a>b)
		{
			t=a;
			a=b;
			b=t;	
		}
		if(a+2==b&&b+2==c&&c+2==d){
			printf("%d+2=%d\n",a,b);
			printf("%d+2=%d\n",b,c);
			printf("%d+2=%d\n",c,d);
			
		}else {
			printf("%d %d %d %d",d,c,b,a);		
     
		}
		
		
			
		
		
		
		
	}
	if(a%2!=1||b%2!=1||c%2!=1||d%2!=1){
					if(a>b)
		{
			t=a;
			a=b;
			b=t;
			
		} 
		if(b>c)
		{
			t=b;
			b=c;
			c=t;
		}
		if(c>d)
		{
			t=c;
			c=d;
			d=t;
		}
		if(a>b)
		{
			t=a;
			a=b;
			b=t;	
		}
		if(b>c)
		{
			t=b;
			b=c;
			c=t;
		}
		if(a>b)
		{
			t=a;
			a=b;
			b=t;	
		}
		printf("%d %d %d %d",d,c,b,a);		
	}
 } 

C++ :

#include<iostream>
using namespace std;
int main(){
	int a,b,c,d,t;
	cin>>a>>b>>c>>d;
	if(a>b){
		t=a;
		a=b;
		b=t;
		
	}
	if(b>c){
		t=b;
		b=c;
		c=t;
	}
	//d最大
	if(c>d){
		t=c;
		c=d;
		d=t;
	}
	if(a>b){
		t=a;
		a=b;
		b=t;
		
	}
	//abc中c最大
	if(b>c){
		t=b;
		b=c;
		c=t;
	}
	//ab中b最大
	if(a>b){
		t=a;
		a=b;
		b=t;
		
	}
	//相邻的2个数差值为2，且其中有一个数是奇数
	if(a+2==b&&b+2==c&&c+2==d&&a % 2 != 0){
		cout<<a<<"+2="<<b<<endl;
		cout<<b<<"+2="<<c<<endl;
		cout<<c<<"+2="<<d<<endl;
	}else{
		cout<<d<<" "<<c<<" "<<b<<" "<<a<<endl;
	}
}

Python :

a,b,c,d=map(int,input().split())
if a < b:  # a>b>c>d
    t = a;
    a = b;
    b = t;
if a < c:
    t = a;
    a = c;
    c = t;
if b < c:
    t = b;
    b = c;
    c = t;
if b < d:
    t = b;
    b = d;
    d = t;
if c < d:
    t = c;
    c = d;
    d = t;
if a-b!=2 or b-c!=2 or c-d!=2:
    print(a,b,c,d)
else: 
    if c-d==2:
        print('{}+2={}'.format(d,c))

    if b-c==2:
        print('{}+2={}'.format(c,b))

    if a-b==2:
        print('{}+2={}'.format(b,a))