#include <stdio.h>
#include <stdlib.h>

int In[10];
int Out[10];

int main()
{
	while(1)
	{
		int n;
		scanf("%d", &n);
		
		if(!(n))
		{
			break;
		}
		
		for(int i = 0; i < n; i++)
		{
			scanf("%d%d", In + i, Out + i);
		}
		
		for(int i = 0; i < n; i++)
		{
			printf("DUP\n");
			printf("NUM %d\n", In[i]);
			printf("SUB\n");
			printf("DUP\n");
			printf("MUL\n");
			printf("NUM 1\n");
			printf("SUB\n");
			printf("DUP\n");
			printf("NUM 2\n");
			printf("ADD\n");
			printf("DIV\n");
			printf("DUP\n");
			printf("MUL\n");
			printf("NUM %d\n", Out[i]);
			printf("MUL\n");
			printf("SWP\n");
		}
		
		printf("POP\n");
		
		for(int i = 0; i < n - 1; i++)
		{
			printf("ADD\n");
		}
		
		printf("END\n\n");
	}
	
	return 0;
}