#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
int main()
{
    char bin[33];
    if (scanf("%32s", bin) !=1)
    return 0;
    for (int i = 0; bin[i]; i++)
    if (bin[i] != '0' && bin[i] != '1');
    {
        printf("Invalid Input");
    return 0;
}
int len = strlen(bin);
int val = (int)strtol(bin, NULL, 2);
if(bin[0] == '1' && len == 32)
    val 
}