//思路 通过判断语句把所有的情况列出来
#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
int a,b,c;
scanf("%d%d%d",&a,&b,&c);
if(a>=b&&a>=c)
{
if(b>=c) printf("%d\n%d\n%d\n\n%d\n%d\n%d",c,b,a,a,b,c);
else printf("%d\n%d\n%d\n\n%d\n%d\n%d",b,c,a,a,b,c);
}
if(b>=a&&b>=c)
{
if(a>=c) printf("%d\n%d\n%d\n\n%d\n%d\n%d",c,a,b,a,b,c);
else printf("%d\n%d\n%d\n\n%d\n%d\n%d",a,c,b,a,b,c);
}
if(c>=a&&c>=b)
{
if(a>=b) printf("%d\n%d\n%d\n\n%d\n%d\n%d",b,a,c,a,b,c);
else printf("%d\n%d\n%d\n\n%d\n%d\n%d",a,b,c,a,b,c);
}
return 0;
}