#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    int ge = n % 10;
    int shi = n / 10 % 10;
    int bai = n / 100 % 10;
    if(ge == 1)
    {
        ge = 9;
    }
    else
    {
        ge = 1;
    }
    if(shi == 1)
    {
        shi = 9;
    }
    else
    {
        shi = 1;
    }
    if(bai == 1)
    {
        bai = 9;
    }
    else
    {
        bai = 1;
    }
    cout<<bai * 100 + shi * 10 + ge * 1;
    return 0;
}