#include <iostream>
using namespace std;
int main()
{
int s,i;
s=0;
for(i=320;i<=360;i++)
{
if(i%2==0)s=s+i;
}
cout<<"320-360偶数和"<<s<<endl;
return 0;
}
using namespace std;
int main()
{
int s,i;
s=0;
for(i=320;i<=360;i++)
{
if(i%2==0)s=s+i;
}
cout<<"320-360偶数和"<<s<<endl;
return 0;
}