#include <stdio.h>
#include <stdlib.h>
void myFunct()
{
    int i,sum=0,pr=1,n,x;
    scanf("%d",n);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&x);
        if(i%2==0)
        {
            sum+=x;
        }
        else{pr*=x;}
    }
    printf("The sum of even numbers is :%d\n The mutiple of odd numbers is %d\n",sum,pr);
}
int main()
{

    printf("Enter the number of numbers:");
    myFunct();

    return 0;
}