#include<stdio.h>
int main()
{
    int n,u,v;
  
    scanf("%d %d %d ",&n,&u,&v);
   
    if(-10<=n<=10)
    {
        printf("0 -> 1 -> 4");
        printf("0 -> 3 -> 4"\n);
    }
    else if(-10<=n)
    {
        printf("0->3->4");
    }
    else
    {
        printf("0->3->4");
    }
    
    return 0;
}