#include<stdio.h>
int main()
{
    int n;
    scanf("%d",&n);
    int sign=(n<0) ? -1 : 1;
    n=(n<0)? -n : n;
    int result =0,place=1;
    if(n==0)
    {
        printf("1");
        return 0;
    }
    int d=n%10;
    if(d==0)
    d=1;
    result=d*place+result;
    
    place*=10;
    n=n/10;
}
printf("%d",result8sign);
return 0;
    
}