Soundex

#include<iostream>
#include<string>
#include<cstdio>
using namespace std;
string EX;
bool fl(int i){
    return EX[i] != 'A' && EX[i] != 'E' && EX[i] != 'I' && EX[i] != 'U' && EX[i] != 'O' && EX[i] != 'H' && EX[i] != 'W' && EX[i] != 'Y';
}
int S[3000];
int main(){
    S['B'] = 1;
    S['F'] = 1;
    S['P'] = 1;
    S['V'] = 1;
    S['C'] = 2;
    S['G'] = 2;
    S['J'] = 2;
    S['K'] = 2;
    S['Q'] = 2;
    S['S'] = 2;
    S['X'] = 2;
    S['Z'] = 2;
    S['D'] = 3;
    S['T'] = 3;
    S['L'] = 4;
    S['M'] = 5;
    S['N'] = 5;
    S['R'] = 6;


    while (getline(cin,EX))
    {
        EX=" "+EX;
        for (int i = 1; i<(int)EX.size(); i++)
        {
            if (fl(i))
                {
                    if (S[(int)EX[i]] != S[(int)EX[i - 1]]||!fl(i-1))cout << S[(int)EX[i]];
                }
        }
        cout << endl;

    }
    return 0;
}