蓝桥杯2022年第十三届省赛真题-刷题统计(Java)

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int a = in.nextInt();
		int b = in.nextInt();
		int n = in.nextInt();
		int sum = 0;
		int num = 0;
		while (true) {
			for(int i = 1;i<=5;i++) {
				num++;
				sum+=a;
				if(sum>=n) {
					System.out.println(num);
					return;
				}
			}
			for(int j = 1;j<=2;j++) {
				sum+=b;
				num++;
				if(sum>=n) {
					System.out.println(num);
					return;
				}
			}
			   
		}
	}
    
}
为什么我的显示编译错误