pct a si c =>>>
#include<iostream.h>
void main()
{int v[100],i,n,s=1,b=0,a=0;
cout<<"n=";cin>>n;
for(i=1;i<=n;i++)
{cin>>v[i];
a=v[i];
v[i]=b;
b=a;
if(b>0)
s=s*a; }
cout<<s; cout<<endl;
cout<<"n=";cin>>n;
for(i=1;i<=n;i++)
{ cin>>v[i];
a=v[i];
v[i]=b;
b=a;
if(a%2==0)
cout<<"---->"<<a<<endl;
}
}