#include <iostream>
using namespace std;

int main() {

    string name;
    cin>>name;
    name[0] = 'A';
    int length_of_name = name.size();


    for(int i=0;i<length_of_name;i++)
        {
            cout<<name[i]<<" ";
        }

    cout<<endl;
    return 0;
}