#include<bits/stdc++.h>
using namespace std;
inline int read(){
	int X=0;bool flag=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-') flag=0;ch=getchar();}
	while(ch>='0'&&ch<='9'){X=(X<<1)+(X<<3)+ch-'0';ch=getchar();}
	if(flag) return X;
	return~(X-1);
}
signed main(){
	cout<<read()<<" "<<read()<<" "<<read()<<" "<<read();
	return 0;
}

输入是反的，我输入

12 34 56 78

输出是

78 56 34 12

这是为啥？？？