#include<iostream>
using namespace std;
void print(char *s,int n)
{
for(int k = 0 ; k <n ; k++){
cout << s << endl;
}
}
void fun(void(*print)(char *,int),char *s,int n )
{
print( s , n ) ;
}
int main(){
fun(print,"hello,world.",5);
return 0;
}