stergere so

#include <iostream>
#include<cstring>
using namespace std;
char s[256];

int main()
{
    cin.getline(s,256);
    char *p ,nou[256]={0};
    p=strtok(s," ");
    while(p)
    {
        strcat(nou,p);
        strcat(nou," " );
        p=strtok(NULL," ");
    }
    nou[strlen(nou)-1]=NULL;
    cout<<nou;

    return 0;
}