#include <stdio.h>
int main(void) {
// your code goes here
int m,wa;
wa=0;
for(m=2;m<=100;m=m+2){
wa=wa+m;
}
return 0;
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWFpbih2b2lkKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglpbnQgbSx3YTsKCXdhPTA7Cglmb3IobT0yO208PTEwMDttPW0rMil7CgkJd2E9d2ErbTsKCX0KCXByaW50Zigi5YG25pWw44Gu5ZKM77ydJWRcbiIsd2EpOwoJcmV0dXJuIDA7CgoJCglyZXR1cm4gMDsKfQo=