//#define debug 1
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>

#define INF 30000
#define NMAX 500000
int a[7];
bool f[NMAX];
int sum;
int solve()
{
	int i,k,p,t,last,flag;
//	bool *f=new bool[sum/2+3];
	memset(f,0,sizeof(f));
	f[0]=1;
	for(i=1;i<=a[1];i++)
		f[i]=1;
	for(i=2;i<=6;i++)
	{
		if(a[i]==0)
			continue;
		for(k=0;k<i;k++)
		{
			
			t=k;
/*			flag=0;
			while(!f[t])
			{
				t+=i;
				if(t>sum/2)
				{
					flag=1;
					break;
				}
			}
			if(flag)
				continue;
			last=a[i];*/
			while(t<=sum/2)
			{
				if(f[t])
					last=a[i];
				else
				{
					if(last)
					{
						f[t]=1;
						last--;
					}
				}
				t+=i;
			}

			if(f[sum/2]==1)
			{
//				delete f;
				return 1;
			}
		}
	}
	if(f[sum/2]==1)
	{

		return 1;
	}
//	delete f;
	return 0;
}
		


	
int main()
{

#if _DEBUG	
	freopen("in.txt","r",stdin);
	freopen("out.txt","w",stdout);
#endif
	int i;
	int flag=0;
	int t=1;
	while(1)
	{
		flag=0;
		sum=0;
		
		for(i=1;i<=6;i++)
		{
			scanf("%d",&a[i]);
			sum+=a[i]*i;
			if(a[i])
				flag=1;
		}
		if(flag==0)
			break;
		if(t>1)
			printf("\n");
		printf("Collection #%d:\n",t++);
		

		if(sum%2)
			printf("Can't be divided.\n");
		else if(solve()==0)
			printf("Can't be divided.\n");
		else
			printf("Can be divided.\n");
	}


		
#if _DEBUG
	fclose(stdin);
	fclose(stdout);
#endif
	return 1;
}