#include < iostream.h>

int main()
{
    long int binaryval, hexadecimalval = 0, i = 1, remainder;
    cout<<"Enter the binary number: ";
    cin>>binaryval;
    while (binaryval != 0)
        {
            remainder = binaryval % 10;
            hexadecimalval = hexadecimalval + remainder * i;
            i = i * 2;
            binaryval = binaryval / 10;
        }
    cout<<"Equivalent hexadecimal value:"<<hexadecimalval;
    return 0;
}