HDU : 2700 (Parity)



// http://acm.hdu.edu.cn/showproblem.php?pid=2700
// Runtime: 0ms
// Tag: adhoc

/* 
 * File:   main.cpp
 * Author: shahab
 * Created on March 18, 2011, 3:50 PM
 */

// @BEGIN_OF_SOURCE_CODE

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <string>
#include <cctype>
#include <stack>
#include <queue>
#include <list>
#include <vector>
#include <map>
#include <sstream>
#include <cmath>
#include <bitset>
#include <utility>
#include <set>
#include <numeric>

#define INF_MAX 2147483647
#define INF_MIN -2147483647
#define pi acos(-1.0)
#define N 1000000
#define LL long long

#define For(i, a, b) for ( int i = (a); i < (b); i++ )
#define Fors(i, sz) for ( size_t i = 0; i < sz.size (); i++ )
#define Set(a, s) memset (a, s, sizeof (a))

using namespace std;

int main(int argc, char** argv) {
    char a [50];

    while ( scanf ("%s", a) && strcmp (a, "#") ) {
        int len = strlen (a);
        int one = 0;

        for ( int i = 0; i < len; i++ ) {
            if ( a [i] == '1' ) one++;
        }

        if ( one % 2 ) a [len - 1] = a [len - 1] == 'o' ? '0' : '1';
        else a [len - 1] = a [len - 1] == 'e' ? '0' : '1';

        printf ("%s\n", a);

    }

    return 0;
}

// @END_OF_SOURCE_CODE
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