#include <bits/stdc++.h>
using namespace std;

int main()
{
    string s;
    while(getline(cin,s)){
        int flag=1;
        for(char c:s){
            if(flag==1)
                c=toupper(c);
            cout<<c;
            if(c==' '||c=='\t'||c=='\r'||c=='\n')
                flag=1;
            else
                flag=0;
        }
        cout<<endl;
    }
    return 0;
}