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

bool is_equal(char *a, char *b) {
    int c = strlen(a);
    for (int i = 0; i <= c; i++)
        if (a[i] != b[i])
            return false;
    return true;
}

int main(void) {
    char d[30][11];
    int n = 0;
    printf("Enter the string:\n");
    while (1) {
        char c;
        int i = 0;
        while (1) {
            c = getchar();
            if (c == ',' || c == '.') {
               d[n][i] = '\0';
                break;
            }
            d[n][i] = c;
            i++;
        }
        if (c == '.')
            break;

    }
    printf("Words and their number:\n");
    for (int i = 0; i <= n; i++) {
        bool flag = true;
        int cnt = 0;
        for (int j = 0; j <= n; j++) {
            if (is_equal(d[i], d[j])) {
                if (i < j) {
                    flag = false;
                    break;
                }
                cnt++;
            }
        }
        if (flag)
            printf("%s %d\n", d[i], cnt);
    }
    return 0;
}