#include <stdio.h>
#include <string.h>
#include <ctype.h>
#define MAX 100

//ne menuvaj!
void wtf() {
    FILE *f = fopen("input.txt", "w");
    char c;
    while((c = getchar()) != EOF) {
        fputc(c, f);
    }
    fclose(f);
}

void sortiraj(char *niza, int n) {
    int i, j;
    for(i = 0; i < n - 1; i++) {
        for(j = 0; j < n - 1 - i; j++) {
            if (niza[j] > niza[j+1]) {
                int temp = niza[j];
                niza[j] = niza[j+1];
                niza[j+1] = temp;
            }
        }
    }

}

int main() {
    wtf();

    // vashiot kod ovde

    FILE *f;

    if ( (f = fopen("datoteka.txt","r")) == NULL) {
        printf("Unable to open");
        return -1;
    }

    int cifri = 0, i;
    char niza[MAX], broevi[MAX];

    while((fgets(niza, MAX, f)) != NULL) {
        for(i=0; i<strlen(niza); i++) {
            if(isdigit(niza[i])) {
                cifri++;
                broevi[i] = niza[i];
            }
        }

        sortiraj(broevi, i);
        printf("%d:",cifri);
        for(int i = 0; i < cifri - 1; i++)
            printf("%d", broevi[i]);

        printf("\n");

    }
    fclose(f);
}