#include <iostream>
using namespace std;
int main() {
cout << "Hello World!" << endl ;
string str ;
std :: string :: iterator it ;
getline(cin , str);
int i = str.length() ;
int count = 0 ;
cout <<"enterd string is : " << str << endl << "length of string is : " << i << endl ;
for(it = str.begin() ; it != str.end() ; ++it)
{
if( *it == 'p')
{
count = count + 1;
}
}
cout << " number of times " << " letter occurs is " << count << endl ;
return 0;
}