1)
int v[100],n,nr=0;
cin>>n;
for(int i=0;i<=n-1;i++){
cin>>v[i];
if(v[i]%2==0) nr=nr+1;
}
cout<<nr;
2)int v[100],n,s=0,nr=0;
cin>>n;
for(int i=0;i<=n-1;i++){
cin>>v[i];
if(v[i]%2==1) {
s=s+v[i];
nr=nr+1;
}
}
cout<<s/nr;
3)int v[100],n,x;
cin>>n>>v[0];
x=v[0]
for(int i=1;i<=n-1;i++){
cin>>v[i];
if(x<v[i]) x=v[i];
}
cout<<x;
4)int v[100],n,x;
cin>>n>>v[0];
x=v[0]
for(int i=1;i<=n-1;i++){
cin>>v[i];
if(x>v[i]) x=v[i];
}
cout<<x;