#include <fstream.h>
long n, i, j;
int v[50001]
int main(void)
{
f>>n;
for (i=1;i<=n;i++)
	f>>v[i];
for (i=1;i<n;i++)
	for (j=i+1;j<=n;j++)
		if (v[i]>v[j])
			{
			aux=v[i];
			v[i]=v[j];
			v[j]=aux;
			}
for (i=1;i<=n;i++)
	g<<v[i];
return 0;
}