#include<stdio.h>
#define max 10
typedef struct
{
char ch[max];
int length;
}sstring;
int substring(sstring &sub,sstring s,int pos,int length)
{
int i;
if(pos+length-1>s.length)
return -1;
for(i=pos;i<pos+length;i++)
sub.ch[i-pos+1]=s.ch[i];
sub.length=length;
return 1;
}
int main()
{
sstring a;
sstring b;
gets(a.ch);
printf("%d\n",substring(b,a,3,2));
puts(b.ch);
return 0;
}