//
// File:   execute.cc
// Author: cteam21
//
// Created on November 13, 2011, 9:22 AM
//

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

//
//
//

#define POP 1
#define INV 2
#define DUP 3
#define SWP 4
#define ADD 5
#define SUB 6
#define MUL 7
#define DIV 8
#define MOD 9
#define FAIL {printf("ERROR\n");return;}

int programme [100000];
int stack[1000];

void execute(int n){
    //printf("execute\n");
    int temp;
    long long int temp2;
    int pointer=1;
    for (int i=0; i<n;i++){
        switch (programme[i]){
            case POP:{
                if (pointer==0)FAIL
                else pointer--;
                break;
            }
            case INV:{
                if (pointer==0)FAIL
                else stack[pointer-1]=-stack[pointer-1];
                break;
            }
            case DUP:{
                if (pointer==0)FAIL
                else stack[pointer]=stack[pointer-1];
                pointer++;
                break;
            }
            case SWP:{
                if (pointer<2)FAIL
                else {
                    temp=stack[pointer-1];
                    stack[pointer-1]=stack[pointer-2];
                    stack[pointer-2]=temp;
                }
                break;
            }
            case ADD:{
                if (pointer<2)FAIL
                else{
                    stack[pointer-2]+=stack[pointer-1];
                    if (stack[pointer-2]>1000000000)FAIL
                            pointer--;
                }
                break;
            }
            case SUB:{
                if (pointer<2)FAIL
                else{
                    stack[pointer-2]-=stack[pointer-1];
                    if (stack[pointer-2]<-1000000000)FAIL
                            pointer--;
                }
                break;
            }
            case MUL:{
                if (pointer<2)FAIL
                else{
                    temp2=(long long int)stack[pointer-2]*stack[pointer-1];
                    if (temp2>1000000000||temp2<-1000000000)FAIL
                            stack[pointer-2]=temp2;
                    pointer--;
                }
                break;
            }
            case DIV:{
                if (pointer<2)FAIL
                else{
                    if (stack[pointer-1]==0)FAIL
                            stack[pointer-2]/=stack[pointer-1];
                    pointer--;
                }
                break;
            }
            case MOD:{
                if (pointer<2)FAIL
                else{
                    if (stack[pointer-1]==0)FAIL
                            stack[pointer-2]%=stack[pointer-1];
                    pointer--;
                }
                break;
            }
            default:{
                stack[pointer++]=programme[i]-10;
            }
            
        }
    }
    if (pointer == 1) printf("%d\n", stack[pointer-1]);
    else FAIL
}

int main(int argc, char** argv) {
    char command[4];
    
    
    int index;
    int n;
    
    command [3]='\0';
    while (42 ){
        index=0;
        while (42){
            scanf("%c%c%c", &command[0], &command[1], &command[2]);
            //printf("command %s\n", command);
            if (command[0]=='Q')return 0;
            if (!strcmp(command, "POP")) programme [index++]=POP;
            else if (!strcmp(command, "INV")) programme [index++]=INV;
            else if (!strcmp(command, "DUP")) programme [index++]=DUP;
            else if (!strcmp(command, "SWP")) programme [index++]=SWP;
            else if (!strcmp(command, "ADD")) programme [index++]=ADD;
            else if (!strcmp(command, "SUB")) programme [index++]=SUB;
            else if (!strcmp(command, "MUL")) programme [index++]=MUL;
            else if (!strcmp(command, "DIV")) programme [index++]=DIV;
            else if (!strcmp(command, "MOD")) programme [index++]=MOD;
            else if (!strcmp(command, "END")) {                
                break;
            }
            
            else {
                int num;
                //getchar();
                scanf("%d", &num);
                //printf("cislo %d\n",num);
                programme[index++]=num+10;
            }
            getchar();
        }
        
        scanf("%d", &n);
        for (int i=0; i<n;i++){
            scanf("%d", &stack[0]);
            execute(index);
            
        }
        getchar();getchar();
        printf("\n");
        
        
    }
    
    
    return (0);
}