C :

#include <stdio.h>

int main()
{
    int y ,k,n,x;

    while(scanf("%d%d%d",&y,&k,&n)!=EOF)
    {
        int i=0;
    for(x=1;x<=n-y;x++)
    {
        if((x+y)%k==0)
        {
            printf("%d ",x);
            i=1;
        }
    }
    if(i==1)
     printf("\n");
    if(i==0)
    printf("-1\n");
    }
    return 0;
}

C++ :

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

using namespace std;

int main()
{
	int y;
	int n;
	int k;
	//freopen("potatoes.in","r",stdin);
	//freopen("potatoes.out","w",stdout);
	while(scanf("%d%d%d",&y,&k,&n)!=EOF)
	{
		int sum;
		bool mark=0;
		for(int i = 1;i <= n/k;i++)
		{
			sum = k*i;
			if(sum-y>=1)
			{
					mark=1;
					printf("%d ",sum-y);
			}
		}
		if(!mark)
		{
			printf("-1\n");
		}
		else
		{
			printf("\n");
		}
		
	}
	return 0;
}
/*
	
*/

//#include <iostream>
//#include <stdio.h>
//#include <cstdlib>
//#include <ctime>
//
//int main()
//{
//	freopen("potatoes.in","w",stdout);
//	srand(time(NULL));
//	printf("10 1 10\n");
//	printf("10 6 40\n");
//	for(int i = 0;i < 50;i++)
//	{
//		int y = rand();
//		int k = rand()%100+1;
//		int n = rand()%10000+1;
//		printf("%d %d %d \n",y,k,n);
//	}
//	return 0;
//}

Java :

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Scanner;


public class Main {

	static StringBuffer sb= new StringBuffer();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		new Main().method();
		
	}
	
		public void method() {
	
			Scanner cin = new Scanner(System.in);
			int y=0, k=0, n=0;
			while (cin.hasNext()){
				y = cin.nextInt();
				k = cin.nextInt();
				n = cin.nextInt();
				
				
				
				ArrayList<Integer> result = new ArrayList<Integer>();
				for(int x=1;x<n;x++){
					if((x+y)<=n){
						if((x+y)%k==0){
							result.add(x);
						}
					}
				}
				if(result.isEmpty()){
					System.out.print("-1");				
				}
				Iterator it = result.iterator();
				StringBuffer sb = new StringBuffer();
				while(it.hasNext()){
					sb.append(it.next().toString()+" ");
				}
				System.out.println(sb);

			}	

	}
}