#include <stdio.h>
int main () {//do while
    int x;
    scanf("%d",&x);
    int n = 0;
    do
    {
        x /= 10;
        n ++;
    } while(x >0);
    printf("%d", n);
    return 0;
}  
//while
int main();
{
    int input,n = 0;
    scanf("%d", &input);
    while (x > 0){
        n++;
        x /= 10;
    }
    printf("It is %d long", n);
}