#include<stdio.h>
int main()
{
int i=2,s=0,n;
printf("Enter the value of the last series:"); do
{
s=s+i;
i=i+2;
}
while(i<=n);
return 0;
}
I2luY2x1ZGU8c3RkaW8uaD4KaW50IG1haW4oKQp7CmludCBpPTIscz0wLG47CnByaW50ZigiRW50ZXIgdGhlIHZhbHVlIG9mIHRoZSBsYXN0IHNlcmllczoiKTsKc2NhbmYoIiVkIiwmbik7CmRvCnsKcz1zK2k7Cmk9aSsyOwp9CndoaWxlKGk8PW4pOwpwcmludGYoIiVkIixzKTsKcmV0dXJuIDA7Cn0=