#include <iostream>
#include <stdio.h>

void main() {
    char str[256]="I love to eat apples all day\0";
    int num=0, k=0, counter=0;
    scanf("%d", &num);
    while (str[k] != '\0') {
        k++;
    }
    if (num <= k) {
        if (str[num] == ' ') {
            printf("This is not the word");
            system("pause");
            return;
        }
        for (int i = 0; i < num; i++) {
            if (str[i] == ' ')
                counter++;
        }
    }
    else {
        printf("Write number under %d\n", k);
        main();
    }
    switch (counter) {
    case 0:
        printf("It's 1st word");
        break;
    case 1:
        printf("It's 2nd word");
        break;
    case 2:
        printf("It's 3rd word");
        break;
    default:
        counter++;
        printf("It's %dth word\n", counter);
        break;
    }
    system("pause");
}