2024-12

#include <iostream>
#include <cctype>
#include <cstring>
#include <iomanip>
using namespace std;


char findCapital(char* s, int len)
{
    if(isupper(s[0]))
    {
        return s[0];
    }
    if(s[0] == s[len-1])
        return '\0';
    findCapital(s+1, len-1);
}

int main() {
    char str[100];
    cin.getline(str, 100);
    int len = strlen(str);
    char res = findCapital(str, len);
    if(res == '\0')
        cout<<"Nema";
    else
        cout<<res;
}