Caractere Fisa 3

#include <iostream>
#include <string.h>

using namespace std;

int main()
{
    char s[21],s1[21],aux[21];
    cin>>s>>s1;
    if(strcmp(s,s1)>0)
    {
        strcpy(aux,s);
        strcpy(s,s1);
        strcpy(s1,aux);
    }
    cout<<s<<" "<<s1;
    return 0;
}