import java.io.*;
import java.util.*;
public class Stuff {
public String chars(int i,String s ) {
String result = "";
for (;i > 0;i--) {
result = result + s;
}
return result;
}
public String diag(int n) {
String result = "";
for (int i = 0;i < n;i++) {
result = result + chars(i," ") + "*\n" ;
}
return result;
}
public String diagWord(String s) {
String result = "";
int n = s.length();
for (int i = 0;i < n;i++) {
result = result + chars(i," ") + s.charAt(i) +"\n" ;
}
return result;
}
public String fence(int h, int w) {
String result = "";
if (h <= 2 || w <= 2) {
return result;
}
else {
result = result + "+" + chars (w-2,"-") + "+\n";
for (;h >= 2;h--) {
result = result + "|" + chars (w-2," ") + "|\n";
}
result = result + "+" + chars (w-2,"-") + "+\n";
return result;
}
}
}