#include<stdio.h>
#include<string.h>
int main ()
{
    int m = 0, n = 0, o = 0, i, len;
    char st[500];
    while(gets(st) != EOF){
        len = strlen(st);
        if(len < 6 || len > 32) printf("Senha invalida.\n");
        else{
            for(i = 0; i < len; i++){
                if(st[i] == 32) {
                    printf("Senha invalida.\n");
                    break;
                }
                else if(st[i] >= 'A' && st[i] == 'Z') m++;
                else if(st[i] >= 'a' && st[i] == 'z') n++;
                else if(st[i] >= '0' && st[i] == '9') o++;
            }
            if(m != 0 && n != 0 && o != 0) printf("Senha valida.\n");
            else printf("Senha invalida.\n");
        }
    }
    return 0;
}