public class For{
public String Reverse(String s){
int i;
String ans = "";
for (i = s.length()-1;i >= 0; i --){
ans = ans + s.substring(i,i+1);
}
return ans;
}
public String table(int n, int m){
int column;
int row;
String ans = " ";
for (column = 1; column <= n; column ++){
ans = ans + column + " ";
}
for (row = 1;row <= m;row ++){
ans = ans + "\n" + row + "|";
for (column = 1;column <= n; column ++){
ans = ans + (row * column) + " ";
}
}
return ans;
}
}