#include<stdio.h>
FILE *f,*g;
int main()
{
f=fopen("fact.in","r");
g=fopen("fact.out","w");
long int p,i,v;
int x[10000];
fscanf(f,"%ld",&p);
i=0;
v=0;
x[0]=0;
while(p!=0)
{
x[i]=x[i]+5;
if(x[i]==10) { x[i]=0; i++; x[i]=i; v++; }
p--;
}
if(x[i]==0) { v=-1; fprintf(g,"%d",v); }
 else {
          for(i=0;i<v;i++)
           {
                   fprinf(g,"%d",x[i]);
           }
      }
return 0;
}