int f(int x);
void main()
{
	int n;
	scanf("%d",&n);
	int i=0,j=0;
	for(i=6;i<=n;i=i+2)
	{   printf("%d=",i);
		for(j=3;j<=i;j=j+2)
		{if(f(j)==1&&f(i-j)==1) {printf("%d+%d\n",j,i-j); break;}
		else continue;
		}
}
}
		int f(int x)
 { int k=0,i=0,o=0;
	 if(x%2==0) return 0; 
	 else
	 {	for(i=3;i<=sqrt(x);i+=2)
	 if(x%i==0) 
	 {return 0;
	 o++;
	 break;
	 }
	 if(o==0) return 1;
 }
		}