5

#include <iostream>

using namespace std;

int main() {
    char x, max = '0' - 1, v[101]; int poz_max = -1;
    gets_s(v);
    if (v[0] >= '0' && v[0] <= '9') {
        max = v[0]; poz_max = 0;
    }
    for (int i = 1; v[i] != '\0'; i++)
        if (v[i - 1] == ' ' && v[i] >= '0' && v[i] <= '9' && max < v[i]) {
            max = v[i]; poz_max = i;
        }
    if (poz_max >= 0)
        for (int i = poz_max; v[i] >= '0' && v[i] <= '9'; i++)
            cout << v[i];
    else
        cout << "NU EXISTA";
    cout << '\n';
    system("pause");
}