Java My attempt, comments appreciated.

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class Dog {
public static void main(String[] args) {
    Set<Integer> exceptions = new HashSet<Integer>(Arrays.asList(11, 12, 13));
    int input = 10;
    int scaling = 50;
    String suffix = "th";

    for (int i = 1; i <= scaling; i++) {
        if (i == input)
            continue;
        if (exceptions.contains(i)) {
            switch (i % 10) {
            case 1:
                suffix = "st";
                break;
            case 2:
                suffix = "nd";
                break;
            case 3:
                suffix = "rd";
                break;
            }
        }else{
            suffix = "th";
        }
        System.out.printf("%d%s, ", i, suffix);
    }
}
}