Program help;
Var a:array [1..20,1..20] of integer;
b:array [1..20] of boolean;
i, j, sum, n, m:integer;
Begin
readln(n, m);
for i := 1 to n do
for j := 1 to m do
a[i,j] := random(10)-5;
for i := 1 to n do
begin
b[i] := false;
for j := 1 to m do
if a[i,j] = 0 then b[i] := true;
end;
for i := 1 to n do
if not b[i] then
for j := 1 to m do
if a[i,j] > 0 then
sum := sum + a[i,j];
writeln(sum);
End.