#include<stdio.h>
int main()
{
	int i=0,top;
	char a[10],b[102][75]={'h','t','t','p',':','/','/','w','w','w','.','a','c','m','.','o','r','g','/'};
	while(scanf("%s",a)&&a[0]!='Q')
	{
		if(a[0]=='V') 
			scanf("%s",b[++i]),puts(b[i]),top=i;
		else
			if(a[0]=='B')
				if(i) puts(b[--i]);
				else puts("Ignored");
			else
				if(i<top) puts(b[++i]);
				else puts("Ignored");
	}
	return 0;
}