function A = TinhTongChiaHet(X,n)

clc;

n = input('nhap vao so phan tu cua day: ');

for i=1:n

    fprintf ('nhap vao tung phan tu cua day: ');

    X(i) = input(' ');

end

A=0;

for i=1:n

    if(mod(X(i),3)==0 & mod(X(i),10)==5)

        A=A+X(i);

    end

end

fprintf('tong cac so chia het cho 3 va co tan cung bang 5 la: %d',A)