#include <bits/stdc++.h>
using namespace std;
int main(){
	char a[1000],c;
	gets(a);
	int i;
	for(i=0;i<strlen(a);i++){
		if(i==0&&a[i]!=' '){
			c=a[i];
			if(a[i]>='a'&&a[i]<='z') c=c-32;
				cout<<c;	
		}
		else if(i>0&&a[i]!=' '&&a[i-1]==' '){
			c=a[i];
			if(a[i]>='a'&&a[i]<='z') c=c-32;
				cout<<c;
		}
    }
		return 0;
	}
/**************************************************************
	Problem: 1100
	User: fzy001
	Language: C++
	Result: Accepted
	Time:18 ms
	Memory:2076 kb
****************************************************************/