#include
#include
using namespace std;
int chewbacca(int num)
{
int num1=0,num2,s=0,rem,f=1,c=0,v=0,t=0,ans=0;
num2=num;
while (num2!=0)
{
num2/=10;
s++;
}
while(num!=0)
{
rem=num%10;
if(rem>=5)
rem=9-rem;
if(rem==0&&f==1&&v!=s-1)
c++;
if(v==s-1&&rem==0)
rem=num%10;
if(rem!=0)
f=0;
num1=num1*10+rem;
num/=10;
v++;
}
while(num1!=0)
{
rem=num1%10;
if(t==1||rem!=0)
{
ans=ans*10+rem;
t=1;
}
num1/=10;
}
return ans*pow(10,c);
}
int main() {
int num;
cin>>num;
cout<<chewbacca(num);
return 0;
}