Basic file read interpreter for "Poop"

#include <string>
#include <iostream>
#include <fstream>

// https://esolangs.org/wiki/Poop

int main(int argc, const char* argv)
{
    const char* filename = "test.poop";

    std::ifstream file(filename);
    std::string word;

    char* paper = "0123456789abcdefghijklmnopqrstuvwxyz.,-!?+*<>#@$ۤ%&/()[]";
    char* wipes = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ.,-!?+*<>#@$ۤ%&/()[]";
    short sheet = 0;
#define PAPERLEN 57

    std::string smell = "";

    if(file.is_open())
    {
        while(file >> word)
        {
            if(word == "eat")
            {
                ++sheet;
                if(sheet > PAPERLEN)
                    sheet -= PAPERLEN;
            }
            else if(word == "puke")
            {
                --sheet;
                if(sheet < 0)
                    sheet += PAPERLEN;
            }
            else if(word == "poop")
            {
                char outchar = *(paper + sheet*sizeof(char));
                smell += outchar;
            }
            else if(word == "POOP")
            {
                char outchar = *(wipes + sheet*sizeof(char));
                smell += outchar;
            }
            else if(word == "sniff")
            {
                std::cout << smell << std::endl;
            }
            else if(word == "flush")
            {
                smell = "";
                sheet = 0;
            }
            else if(word == "fart") // Added my own keyword for inserting a space character
            {
                char outchar = ' ';
                smell += outchar;
            }
            else
            {
                std::cout << "[ERROR] Word \"" << word << "\" has no function." << std::endl;
            }
        }
    }

    system("pause");
    return 0;
}