import java.io.*;
import java.util.*;
public class Diag{
public String diag(int n){
String result = "";
for (int i = 0; i < n; i++){
for (int j = i; j > 0; j--){
result += " ";
}
result += "*\n";
}
return result;
}
public String diagWord(String w){
String result = "";
for (int i = 0; i < w.length(); i++){
for (int j= i; j>0; j--){
result += " ";
}
result += w.substring(i, i+1) + "\n";
}
return result;
}
public String fence(int h, int w){
String result= "";
result += "+";
for (int i= w - 2; i>0; i--){
result += "-";
}
result += "+\n";
for (int j= h-2; j>0; j--){
result += "|";
for (int k = w - 2; k>0; k--){
result += " ";
}
result += "|\n";}
result += "+";
for (int i= w - 2; i>0; i--){
result += "-";
}
result += "+";
return result;
}
}