10260.cpp

#include <cstdio>
#include <cstring>

using namespace std;

int main(void)
{
    char sen[21];
    int  i, cur, pre;

    while (scanf("%s", sen) != EOF) {
        pre = 0;
        for (i = 0; i < strlen(sen); ++i) {
            switch (sen[i]) {
            case 'B':
            case 'F':
            case 'P':
            case 'V':
                cur = 1;
                break;
            case 'C':
            case 'G':
            case 'J':
            case 'K':
            case 'Q':
            case 'S':
            case 'X':
            case 'Z':
                cur = 2;
                break;
            case 'D':
            case 'T':
                cur = 3;
                break;
            case 'L':
                cur = 4;
                break;
            case 'M':
            case 'N':
                cur = 5;
                break;
            case 'R':
                cur = 6;
                break;
            default:
                cur = 0;
            }

            if (cur > 0 && cur != pre) printf("%d", cur);
            pre = cur;
        }
        printf("\n");
    }

    return 0;
}