#include <stdio.h>
int a[600],*o=a,*p=a,*q=a;
int dan(int x)
{
	int y=2,b=0;
	while(x%y!=0)
	{
		y++;
		if(y=x-1)
		{
			b=1;
			break;
		}
	}return b>0?x:0;
}
int main()
{
	int x,y=2,n,sum;
	scanf("%d",&n);
	for(x=0;x<=n/3;x++)
	{
		a[x]=dan(y);
		while(a[x]==0)
		{
			y++;
			a[x]=dan(y);
		}
	}while(n!=*o+*p+*q)
	{
		if(*q==a[n/3])
			if(*p==a[n/3])
				q++;
			else
				p++;
		else q++;
	}
	printf("%d %d %d",*o,*p,*q);
	return 0;
}