void main()
{
	int judge(int x);
	int n,m,i,j;
	scanf("%d",&n);
	for (i=6;i<=n;i=i+2){
		for (j=3;j<n/2;j++){
			if (judge(j) && judge(i-j)){
				printf("%d=%d+%d\n",i,j,i-j);
				break;}
			}
	}
}

int judge(int x)
{
	int flag=1,i,y;
	y=sqrt(x);
	for (i=2;i<=y && flag==1;i++)
		if (x%i==0)
			flag=0;
	return(flag);
}