import java.util.*;
import java.io.*;
import java.math.*;

public class No736 {
    public static void main(String[] args) {
    	try {
    		// 入力元がファイルの場合
    		// Scanner sc = new Scanner(new File("/Users/aa352872/Desktop/test"));
    		// 入力元が標準入力の場合
    		Scanner sc = new Scanner(System.in);
    		int n = sc.nextInt();
    		long a[] = new long[n];

    		for(int i = 0; i < n; i++) {
    			a[i] = sc.nextLong();
    		}
    		long max = 1;
    		for(int i = n-1; i > 0; i--) {
    			long si = a[i];
    			long bo = a[i - 1];
    			long ama = -1;
    			while(ama != 0) {
    				ama = si % bo;
//    				System.out.println("分子 = " + si + " 分母 = " + bo + " 余り = " + ama);
    				if(ama == 0) {
    					break;
    				}else {
    					si = bo;
    					bo = ama;
    				}
    			};
    			if(max == 1) {
    				max = bo;
//    				System.out.println("max = " + max + " a[" + i + "] = " + a[i]);
    			}else if(max < bo) {
//    				System.out.println("coco1");
    				if(bo % max == 0) {
    					// nothing
    				}else {
    					max = 1;
    					break;
    				}
    			}else if(max > bo) {
//    				System.out.println("coco2");
    				max = bo;
//    				if(max % bo == 0) {
//    					max = bo;
//    				}else {
//    					max = 1;
//    					break;
//    				}
    			}
    		}
    		for(int i = 1; i < n; i++) {
    			if(a[i]%max != 0) {
    				max = 1;
    			}
    		}
//    		System.out.println("last max = " + max);
//    		System.out.println("max = " + max);
    		System.out.print(a[0]/max);
    		for(int i = 1; i < n; i++) {
    			System.out.print(":" + a[i]/max);
    		}
    		System.out.println("");
    		
    	}catch (Exception e) {
    		System.out.println("例外が発生しました。");
            System.out.println(e);
            return;
    	}
    }
}