import java.util.Scanner;
public class Histogram {
    public static void main(String[] args) {
	System.out.printf("How many random numbers? ");
	Scanner getInput = new Scanner(System.in);
	int numRandom = getInput.nextInt();
	int[] count = {0,0,0,0,0,0,0,0,0,0};
	double[] limit = {0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0};
	for(int i=0; i<numRandom; i++) {
	    double y = Math.random();
	    for (int j=0; j<10; j++)
		if (y < limit[j+1]) {   // one will succeed
		    count[j]++;
		    break;
		}
	}
	for (int j=0; j<10; j++) {
	    System.out.printf("The number of random numbers between "
			      + "%3.1f and %3.1f is %d\n",
			      limit[j], limit[j+1], count[j]);
	}
    }
}