#include <iostream>
#include <iomanip>
#include <string>
#include <stack>
using namespace std;

bool nbr(char symb);
void revstring(string & s);
void print1(string s);
void print2(string s);
void print3(string s);
void print4(string s);
void print5(string s);

int main()
{
  string s;  // original string
  cout << "Input a string: ";
  getline(cin,s);
  cout << endl << "Output: " << endl;
  print1(s);
  print2(s);
  print3(s);
  print4(s);
  print5(s);
  cout << endl;
  return 0;
}

bool nbr( char symb )
{
  if( symb >= '0' && symb <= '9' )
    return true;
  else
    return false;
}

void revstring(string & s)
{
  stack<char> nbrstk;
  int i=0;

  while( i<s.length() )
    nbrstk.push(s[i++]);
  
  i = 0;
  while(!nbrstk.empty())
  {
    s[i++] = nbrstk.top();
    nbrstk.pop();
  }
}

void print1(string s)
{
  for(int i=0; i<s.length(); i++)
    cout << s[i];
  cout << endl;
}

void print2(string s) // ***Help with this function*** print string in reverse order
{
for (int i=0; i<s.length(); i--)
   cout << s[i];
  cout << endl;
}

void print3( string s ) // Help with this function* print string with every sequence of numbers within string in reverse order
{
for (int=0; i<s.length(); i++)
revstring (string & s)
cout << s[i];
cout << endl;
}

void print4(string s) // ***Help with this function*** determine if string is palindrome (same order when reversed)
{
while (i= <s.length () )
{
symb=s[i]
if (!nbr (symb) )
{
cout<< symb;
i++;
}
else
while (nbr (symb) )
{
nbrstk.push (symbl)
symb= s (i++);                          


cout<< "Not a Palindrome";
}

void print5( string s ) // ***Help with this function*** determine the length of the string at beginning that is palindrome
{
  cout<< "The first"<<  << "characters form a palindrome."
}