UVA_417_World_Index

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <string>
#include <cctype>
#include <stack>
#include <queue>
#include <list>
#include <vector>
#include <map>
#include <set>
#include <sstream>
#include <stdlib.h>
#include <cmath>
#define FOR(i,A) for(typeof (A).begin() i = (A).begin() ; i != (A).end() ; i++)
#define mp make_pair
#define debug( x ) cout << #x << " = " << x << endl
#define clr(v,x) memset( v, x , sizeof v )
#define all(x) (x).begin() , (x).end()
#define rall(x) (x).rbegin() , (x).rend()
#define TAM 110

using namespace std;

typedef pair<int,int> ii ;
typedef long long ll ;
typedef long double ld ;
typedef pair<int,ii> pii ;


map<string, int> dict;

void preproc() {
    int count = 1;
    char s[6];
    for (s[0] = 'a'; s[0] <= 'z'; s[0]++) {
        s[1] = '\0';
        dict[string(s)] = count++;
    }
    for (s[0] = 'a'; s[0] <= 'z' - 1; s[0]++)
        for (s[1] = s[0] + 1; s[1] <= 'z'; s[1]++) {
            s[2] = '\0';
            dict[string(s)] = count++;
        }

    for (s[0] = 'a'; s[0] <= 'z' - 2; s[0]++)
        for (s[1] = s[0] + 1; s[1] <= 'z' - 1; s[1]++)
            for (s[2] = s[1] + 1; s[2] <= 'z'; s[2]++) {
                s[3] = '\0';
                dict[string(s)] = count++;
            }

    for (s[0] = 'a'; s[0] <= 'z' - 3; s[0]++)
        for (s[1] = s[0] + 1; s[1] <= 'z' - 2; s[1]++)
            for (s[2] = s[1] + 1; s[2] <= 'z' - 1; s[2]++)
                for (s[3] = s[2] + 1; s[3] <= 'z'; s[3]++) {
                    s[4] = '\0';
                    dict[string(s)] = count++;
                }

    for (s[0] = 'a'; s[0] <= 'z' - 4; s[0]++)
        for (s[1] = s[0] + 1; s[1] <= 'z' - 3; s[1]++)
            for (s[2] = s[1] + 1; s[2] <= 'z' - 2; s[2]++)
                for (s[3] = s[2] + 1; s[3] <= 'z' - 1; s[3]++)
                    for (s[4] = s[3] + 1; s[4] <= 'z'; s[4]++) {
                        s[5] = '\0';
                        dict[string(s)] = count++;
                    }
}

int main() {
    char s[6];

    preproc();
    while (scanf("%s", s) != EOF) {
        if (dict.count(string(s)) == 0)
            printf("0\n");
        else
            printf("%d\n", dict[string(s)]);
    }

    return 0;
}