刷题之寻找7和7的倍数

package Ray;

import java.util.Scanner;
/**
 * 
 * @author Marie
 *
 */
public class Seven2 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		while(in.hasNext()){
			int num = in.nextInt();
			System.out.println(hasSeven(num));
			
		}

	}

	public static int hasSeven(int num) {
		int count = 0;
		for (int i = 7; i <= num; i++) {
			if (i % 7 == 0) {
				count++;
			} else {
				int temp = i;
				while (temp > 0) {
					if (temp % 10 == 7) {
						count++;
						break;
					} else {
						temp = temp / 10;
					}

				}

			}
		}
		return count;
	}

}