Scanner scn = new Scanner(System.in);
int x=scn.nextInt();
revno(x);
}
public static void revno(int x)
{
int ans=0;
while(x!=0)
{
int rem=x%10;
ans=ans*10+rem;
x=x/10;
}
add(ans);
}
public static void add(int ans)
{
int d=0;
while(ans!=0)
{
d=ans%10;
int s=(9-d);
if(s>d)
{
System.out.print(d);
}
else
{
System.out.print(s);
}
ans=ans/10;
}
}
}