#include<bits/stdc++.h>
using namespace std;
int main(){
	string s;
	while(getline(cin,s)){
		int len=s.size();
		int i=0;
		if(s[i]>='a'&&s[i]<='z')
			s[i]=s[i]-32;
		for(int i=1;i<len;i++){
			if((s[i-1]==' '||s[i-1]=='\t'||s[i-1]=='\r'||s[i-1]=='\n')&&(s[i]>='a'&&s[i]<='z')){
				
				s[i]=s[i]-32;
			}
		}
		cout<<s<<endl;
	}


	return 0;
}