/*******************************************************
 * Program to convert a binary number to decimal number
********************************************************/

#include<stdio.h> // include stdio.h
#include<math.h> // include stdio.h

int main()
{
    long int bin, remainder, decimal = 0, i = 0;       

    printf("Enter a binary number: ");
    scanf("%d", &bin);

    while(bin != 0)
    {
        remainder = bin % 10;
        decimal += remainder * (int)pow(2, i++);
        bin = bin / 10;        
    }

    printf("Decimal: %d", decimal);    

    return 0;
}