#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
    double sum=0;

    if(argc > 1)
    {
        for(int i = 1; i < argc; i++)
            sum+= atof(argv[i]);
        printf("Sum is %f\n", sum);
    } else {
        printf("No Numbers");
    }
    return 0;
}