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import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class day01 {
public static void main(String args[]) throws IOException {
RandomAccessFile input = new RandomAccessFile("input", "r");
System.out.println("Day 01 Part 1: " + part1(input));
input.seek(0);
System.out.println("Day 01 Part 2: " + part2(input));
input.close();
}
public static String part1(RandomAccessFile input) throws IOException {
boolean done = false;
int tot = 0;
int first = -1, last = -1;
while (!done) {
int ch = input.read();
if (ch == -1) {
done = true;
} else if (ch == 10) {
tot += (first * 10 + last);
first = -1;
} else if (ch >= 48 && ch <= 57) {
if (first == -1) {
first = ch - 48;
}
last = ch - 48;
}
}
return Integer.toString(tot);
}
public static String part2(RandomAccessFile input) throws IOException {
Pattern pat = Pattern.compile("(0|1|2|3|4|5|6|7|8|9|one|two|three|four|five|six|seven|eight|nine)");
int tot = 0;
String line = input.readLine();
while (line != null) {
Matcher mat = pat.matcher(line);
int first = -1, last = -1, end = 0;
while(!mat.hitEnd()) {
if (mat.find(end)) {
int ths = parseInt(mat.group());
if (first == -1) {
first = ths;
}
last = ths;
if (mat.end() - mat.start() == 1) {
end = mat.end();
} else {
end = mat.end() - 1;
}
}
}
tot += (first * 10 + last);
line = input.readLine();
}
return Integer.toString(tot);
}
private static int parseInt(String word) {
int num = -1;
switch (word) {
case "0":
num = 0;
break;
case "1":
case "one":
num = 1;
break;
case "2":
case "two":
num = 2;
break;
case "3":
case "three":
num = 3;
break;
case "4":
case "four":
num = 4;
break;
case "5":
case "five":
num = 5;
break;
case "6":
case "six":
num = 6;
break;
case "7":
case "seven":
num = 7;
break;
case "8":
case "eight":
num = 8;
break;
case "9":
case "nine":
num = 9;
break;
}
return num;
}
}
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