cuvinte9 of

#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char s[101], t[101], *p;
    bool gasit = false;
    cin.getline(s, 101);
    p = strtok(s , " ");
    while(p != NULL)
    {
        bool ok = true;
        for(int i = 0 ; p[i] != '\0' ; i ++)
            if(strchr("0123456789", p[i]) == NULL)
                ok = false;
        if(ok)
        {
            if(!gasit)
                strcpy(t,p), gasit = true;
            else
                if(p[0] > t[0])
                    strcpy(t,p);
        }

        p = strtok(NULL, " ");
    }
    if(gasit)
        cout << t;
    else
        cout << "nu exista";
    return 0;
}