#include <stdio.h>
#include <string.h>
#include <ctype.h>
#define MAX 505
int main(int argc, char* argv[])
{
    FILE *input = fopen(argv[1], "r");
    FILE *output = fopen(argv[2], "w");
    if(input == NULL) {
        printf("Ne e dobro!");
        return 0;
    }
    char niza[MAX];
    while(fgets(niza, 100, input)) {
        int brojac[26];
        for(int i = 0; i < 26; i++) {
            brojac[i] = 0;
        }
        for(int i = 0; i < strlen(niza); i++) {
            niza[i] = tolower(niza[i]);
        }
        for(int i = 0; i < strlen(niza); i++) {
            brojac[niza[i] - 'a']++;
        }
        for(int i = 0; i < 26; i++) {
            if(brojac[i] > 0) {
                fprintf(output, "%c %d\n", (char)(i + 'a'), brojac[i]);
            }
        }
        fprintf(output, "\n");
    }
    return 0;
}
/*
 5 4
 1 2 7 3
 2 2 4 0
 5 6 0 1
 1 2 3 4
 3 2 0 12
 3 4
 1 2 3 0
 5 6 0 7
 -1 -2 -3 12
 */