Var x:array [1..32000,1..32000] of integer;
n,s,i,j:integer;
begin
writeln('n=');
readln(n);
writeln('vvedite massiv=');
for i:=1 to n do
begin
for j:=1 to n do
begin
read(x[i,j]);
end;
writeln;
end;
s:=0;
for i:=1 to n do
for j:=1 to n do
if i<=j then<br> s:=s+x[i,j];
writeln('s=',s);
end.