OJ Board

Hi, i solved problem 10062 "tell me the frequencies" and i think is correct but the judge says WA. help plz. First problem with IO with EOF

here's my code:

import java.io.*;

class Ej10062 {
static String readLine(int max) {
byte [] lin = new byte [max];
int lg = 0;
int car = -1;
try {
while ...