//下面是已经AC的代码
#include <stdio.h>
#include <string.h>
int main()
{
	char a[81];
	int l;
	int s = 0;
	int first = 0;
	while (scanf("%s",&a)==1)
	{
		l = strlen(a);
		if (strcmp(a,"<br>") == 0)
		{
			printf("\n");
			s = 0; first = 0;
		}
		else if (strcmp(a,"<hr>") == 0)
		{
			if (s != 0) printf("\n");
			printf("--------------------------------------------------------------------------------\n");
			s = 0; first = 0;
		}
		else if (s + l + 1> 80) {printf("\n%s",a); s=l; first = 1;}
		else
		{
			if (first) printf(" ");
			printf("%s",a);
			first = 1; s += l + 1;
		}
	}
	printf("\n");
	return 0;
}