import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
class TabFilter {
public static void main(String args[]) throws Exception {
FileReader fr = new FileReader(args[0]);
BufferedReader br = new BufferedReader(fr);
FileWriter fw = new FileWriter(args[1]);
BufferedWriter bw = new BufferedWriter(fw);
// Convert tab to space characters
String s;
while ((s = br.readLine()) != null) {
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '\t')
c = ' ';
bw.write(c);
}
}
bw.flush();
fr.close();
fw.close();
}
}