#include<bits/stdc++.h>
using namespace std;
int main(){
    string s;
    getline(cin,s);
    for(int i=0;i<=s.size()-1;i++){
        if(s[i]>='A'&&s[i]<='Z'||s[i]>='a'&&s[i]<='z'&&(s[i-1]==' '||i==0)){
            if(s[i]>='A'&&s[i]<='Z') cout<<s[i];
    		else  cout<<char(s[i]-32);}}
    return 0;
}
/**************************************************************
	Problem: 1100
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:22 ms
	Memory:2076 kb
****************************************************************/