#include <iostream>
#include <stack>
#include <vector>
#include <string.h>

using namespace std;

int MIN = -1000000000;
int MAX = 1000000000;

int main()
{
	int param[10000];
	char instruction[10000][5];
	for(;;)
	{
		int i = 0;
		for(;;)
		{
			scanf("%s", instruction[i]);
			
			if (!strcmp(instruction[i], "QUIT"))
				goto end;

			if (!strcmp(instruction[i], "END"))
				break;

			if (!strcmp(instruction[i], "NUM"))
				scanf("%d", &param[i]);
			i++;
		}

		int n;
		scanf("%d", &n);

		int start;
		for (int j = 0; j < n; j++)
		{
			stack<int> s;
			scanf("%d", &start);
			s.push(start);
			for (int k = 0; k < i; k++)
			{
				if (!strcmp(instruction[k], "NUM"))
				{
					s.push(param[k]);
					continue;
				}

				if (!strcmp(instruction[k], "POP"))
				{
					if (s.size() == 0)
						goto next;
					s.pop();
					continue;
				}					

				if (!strcmp(instruction[k], "INV"))
				{
					int temp = -s.top();
					s.pop();
					s.push(temp);
					continue;
				}

				if (!strcmp(instruction[k], "DUP"))
				{
					s.push(s.top());
					continue;
				}

				if (s.size() < 2)
				{
					printf("ERROR\n");
					goto next;
				}

				int temp1 = s.top();
				s.pop();
				int temp2 = s.top();
				s.pop();

				if (!strcmp(instruction[k], "SWP"))
				{
					s.push(temp2);
					s.push(temp1);
				}

				if (!strcmp(instruction[k], "ADD"))
					s.push(temp1 + temp2);

				if (!strcmp(instruction[k], "SUB"))
					s.push(temp2 - temp1);

				if (!strcmp(instruction[k], "MUL"))
					s.push(temp1 * temp2);

				if (!strcmp(instruction[k], "DIV"))
					s.push(temp2 / temp1);

				if (!strcmp(instruction[k], "MOD"))
					s.push(temp2 % temp1);

				if (s.top() > MAX || s.top() < MIN)
					goto next;				
			}
			if (s.size() == 1)
				printf("%d\n", s.top());
			else
				next: printf("ERROR\n");


		}
		printf("\n");
	}				
	end:
	return 0;
}