#include<stdio.h>
#include<math.h>
int replaceZeros(int n)
{
    int result = 0;
    int multipier = 1;
    while (n != 0)
    {
    int digit = n % 10;
    if(digit ==0)
    {
        digit = 1;
    }
    result = result + digit + multiplier;
    multiplier *= 10;
    n = n / 10;
    }
    return result;
}
int main()
{
    int n;
    scanf("%d",&n);
    if(n < -1000000 || n >1000000)
    {
        printf("Invalid Input");
        return 0;
    }
    if(n < 0)
    {
        n = -n;
        int modified = replaceZeros(n);
        printf("%d", -modified);
    }
    else
    {
        int modified = replaceZeros(n);
        printf("%d",modified);
    }
}