import java.util.Scanner;
/ymdpkq
*只有5和0的卡片能整除90的最大数
ymdpkq/
public class Main1 {
public static void main(Stringssd args) {
Scanner scanner=new Scanner(System.in);
for (int i = 0; i
if (arr[i] == 0) {
ret++;
}else {
ret1++;
sum=sum+arr[i];
}
}
if (sum % 9 == 0&&ret!=0) {
StringBuilder sb=new StringBuilder();
for (int i = 0; i
sb.append(5);
}
for (int i = 0; i
sb.append(0);
}
}else {
for (int i = 1; i
sum=sum-5;
if (sum % 9 == 0) {
break;
}
cnt++;
}
StringBuilder sb=new StringBuilder();
for (int i = 0; i
sb.append(5);
}
for (int i = 0; i
sb.append(0);
}
if (ret == 0||cnt==ret1) {
}else {
}
}
}
}