#include <bits/stdc++.h>
using namespace std;
typedef long long LL;

enum CMD {
	MOD,
	DIV,
	MUL,
	SUB,
	ADD,
	SWP,
	DUP,
	INV,
	POP,
	NUM
};

stack<LL> S;
vector<int> commands;
bool inerror;

LL get()
{
	if (S.empty()) {
		inerror = true;
		return 0;
	}
	LL n = S.top();
	S.pop();
	return n;
}

void put(LL n)
{
	S.push(n);
}

void check()
{
	if (S.empty()) return;
	if (abs(S.top()) > 1000000000)
		inerror = true;
}

void run_case()
{
	inerror = false;
	int n;
	S = stack<LL>();
	scanf("%d", &n);
	S.push(n);

	for (int i = 0; !inerror && i < (int)commands.size(); ++i) {
		LL a, b, s;
		switch (commands[i]) {
		case MOD:
			b = get();
			a = get();
			s = (a >= 0) ? 1 : -1;
			if (b == 0)
				inerror = true;
			else
				put((abs(a) % abs(b)) * s);
			break;
		case DIV:
			b = get();
			a = get();
			s = (a*b >= 0) ? 1 : -1;
			if (b == 0)
				inerror = true;
			else
				put((abs(a) / abs(b)) * s);
			break;
		case MUL:
			put(get() * get());
			break;
		case SUB:
			b = get();
			a = get();
			put(a - b);
			break;
		case ADD:
			put(get() + get());
			break;
		case SWP:
			b = get();
			a = get();
			put(a);
			put(b);
			break;
		case DUP:
			a = get();
			put(a);
			put(a);
			break;
		case INV:
			put(-get());
			break;
		case POP:
			get();
			break;
		default:
			put(commands[i] - 10);
			break;
		}
		check();
	}

	if (S.size() != 1) inerror = true;
}

int main()
{
	char cmd[64];
	while (true) {
		scanf("%s", cmd);
		commands.clear();
		if (strcmp(cmd, "QUIT") == 0) break;
		do {
			string c = cmd;
			if (c == "MOD") commands.push_back(MOD);
			else if (c == "DIV") commands.push_back(DIV);
			else if (c == "MUL") commands.push_back(MUL);
			else if (c == "SUB") commands.push_back(SUB);
			else if (c == "ADD") commands.push_back(ADD);
			else if (c == "SWP") commands.push_back(SWP);
			else if (c == "DUP") commands.push_back(DUP);
			else if (c == "INV") commands.push_back(INV);
			else if (c == "POP") commands.push_back(POP);
			else {
				int n;
				scanf("%d", &n);
				commands.push_back(10 + n);
			}
			scanf("%s", cmd);
		} while (strcmp(cmd, "END") != 0);
		int N;
		scanf("%d", &N);
		while (N --> 0) {
			run_case();
			if (inerror)
				puts("ERROR");
			else
				printf("%lld\n", S.top());
		}
		puts("");
	}
	return 0;
}