Stage 4

SPL

alias counter R0;
alias sum R1;
counter=0;
while(counter<=20) do
    sum=sum+counter*counter;
    counter=counter+1;
endwhile;
print sum;

alias counter R0;
counter = 1;
while(counter <= 20) do
    if(counter%2 != 0) then
        print counter;
    endif;
    counter = counter+1;
endwhile;