#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
int main(){
int c = 0;
int count = 0;
int riadok = 0;
while(c != EOF){
c = getchar();	
if(islower(c)){
c = toupper(c);
printf("%c\n", c);
riadok++;
count++;
}
if(isupper(c) && count == 0){
c = tolower(c);
printf("%c\n", c);
riadok++;
} 
count = 0;
}
printf("\nPočet riadkov: %d\n", riadok);
return 0;
}