#include <iostream>
using namespace std;

char* Center(s1,s2,l){
if(s1<l) return "fail";
int space=l-strlen(s1);
for(int i=0;i<s)

}

main(){
char input[256];
int l;
cin.getline(input,256);
cin>>l;
char centr[l];

system("pause");

}