#include <stdio.h>

#include <math.h>

#define N 9

main()

        {float L[N], M=1; int i;

          for(i=0; i<N; i++)

               {scanf("%f", &L[i]);

                 M=M*L[i];

                }

           printf("\n M=%f", M);

           return 0;

         }

#include <stdio.h>

#include <math.h>

#define N 9

main()

        {float L[N], M=0; int i;

          for(i=0; i<N; i++)

               {scanf("%f", &L[i]);

                 M=M+L[i];

                }

           printf("\n M=%f", M);

           return 0;

         }