#include <stdio.h>
#include <stdlib.h> 
#include <string.h>

void Initial_B(char *s)
{
	int i = 0,j;
	while(s[i] != '\0')
	{
		j = i;
	//	while((s[j] >= 'a' && s[j] <= 'z') || (s[j] >= 'A' && s[j] <= 'Z'))
		while(s[j] != ' ' && s[j] != '\t' && s[j] != '\r' && s[j] != ',' && s[j] != '.' && s[j] != '\n')
			j++;
		if(j > i && (s[i] >= 'a' && s[i] <= 'z')) s[i] = s[i] - 32;
		i = j+1;
	}
}

int main()
{
	char *s = (char *)malloc(100*sizeof(char));
	while(gets(s)!= NULL)
	{
		Initial_B(s);
		puts(s);
	}
	return 0;
}