import java.util.regex.Matcher;
import java.util.regex.Pattern;
/* Name of the class has to be "Main" only if the class is public. */
class Test
{
{
Pattern pat= Pattern.compile("\\G([0-9]++)([^0-9])");
StringBuilder result= new StringBuilder();
Matcher match= pat.matcher(text);
while ( match.find() ) {
for (int i
=0; i
<Integer.
parseInt(match.
group(1)); i
++) { result.append(match.group(2));
}
}
}
}
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