//file:  characters2.cpp
//converts lower case to upper case
#include <iostream.h>
int main()
{
	char c;
	
	while((c=cin.get())!=EOF)	//or while(cin.get(c))
	{
		if(c>='a' && c<='z')	//NOT necessary to write (c>=97 && c<=122)
			c+='A'-'a';
			
		cout<<c;
	}
	
	return 0;
}