#include<bits/stdc++.h>
using namespace std;
int h1,a1,c1,h2,a2,ans;
bool a[105];
int main()
{
	cin>>h1>>a1>>c1>>h2>>a2;
	while(h2>0)
	{
		while(h1-a2>0&&h2>0)
		{
			h1-=a2;
			h2-=a1;
			ans++;
			a[ans]=true;
		}
		if(h2<=0)
			break;
		else
		{
			h1+=c1;
			ans++;
			h1-=a2;
			a[ans]=false;
		}
	}
	cout<<ans<<endl;
	for(int i=1;i<=ans;i++)
	{
		if(a[i]==true)
			cout<<"STRIKE"<<endl;
		else
			cout<<"HEAL"<<endl;
	}
    return 0;
}