#include <stdio.h>
#include <ctype.h>
int main(void)
{
int ch;
unsigned long uct = 0;
unsigned long lct = 0;
unsigned long oct = 0;
while ((ch = getchar()) != EOF) {
if (ch >= 'A' && ch <= 'Z')
uct++;
else if (ch >= 'a' && ch <= 'z')
lct++;
else
oct++;
}
printf("%lu uppercase characters read\n", uct);
printf("%lu lowercase characters read\n", lct);
printf("%lu other characters read\n", oct);
return 0;
}