#include <iostream>
#include <algorithm>
using namespace std;
typedef long long ll;
ll a[100],b[100];
int main()
{
cin>>a[1]>>a[2]>>a[3];
b[1]=a[1],b[2]=a[2],b[3]=a[3];
if(a[1]>a[2])swap(a[1],a[2]);
if(a[2]>a[3])swap(a[2],a[3]);
if(a[1]>a[2])swap(a[1],a[2]);
cout<<a[1]<<"\n"<<a[2]<<"\n"<<a[3]<<"\n\n"<<b[1]<<"\n"<<b[2]<<"\n"<<b[3];
return 0;
}