public class Main {
public static void main(String[] args) {
String[] a = {"a","b","c","d","e","f","g","h"};
String[] b = {"e","f"};
int flag = 0;
for (int i = 0; i < a.length-b.length; i++) {
int j = 0;
while (j < b.length && b[j] == a[i+j]) {
j = j+1;
if (j == b.length-1) {
flag = 1;
System.out.println(i);
}
}
}
if (flag == 0) {
System.out.println("no find");
}
}
}