import java.util.Scanner;

class datacheck {
  static public void main(String args[]) {
    Scanner console = new Scanner(System.in);
    int lineNum = 0;

    while (console.hasNextLine()) {
      // This is a so-called "try block with resources". It automatically
      // closes the resource when the try block exits. I have used continue
      // statements in this loop and the try block guarantees that the
      // lineTokenizer scanner will be closed even when a continue statement
      // is executed.
      try (Scanner lineTokenizer = new Scanner(console.nextLine())) {
	lineNum++;
	// determine if the line has a name field
	if (lineTokenizer.hasNext()) {
	  lineTokenizer.next();  // consume the valid token
	}
	else {
	  System.out.printf("Line %d: line must have the format 'name age singleness'\n", lineNum);
	  continue;  // proceed to the next line of input
	}
	// determine if the line has a second field, and if so, whether that
	// field is an integer
	if (lineTokenizer.hasNext()) {
	  if (lineTokenizer.hasNextInt()) {
	    lineTokenizer.nextInt(); // consume the valid token
	  }
	  else
	    System.out.printf("line %d - %s: age should be an integer\n", 
		lineNum, lineTokenizer.next());
	}
	else {
	  System.out.printf("line %d: must have fields for age and singleness\n",
	      lineNum);
	  continue; // proceed to the next line of input
	}
	// determine if the line has a third field, and if so, whether that
	// field is a boolean
	if (lineTokenizer.hasNext()) {
	  if (lineTokenizer.hasNextBoolean())
	    lineTokenizer.nextBoolean(); // consume the valid token
	  else {
	    System.out.printf("line %d - %s: singleness should be a boolean\n", 
		lineNum, lineTokenizer.next());
	    continue; // proceed to the next line of input
	  }
	}
	else {
	  System.out.printf("line %d: must have a field for singleness\n", lineNum);
	  continue; // proceed to the next line of input
	}
      }
    }
  }
}