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uses crt;
const fi='songuyen.inp';
fo='songuyen2.out';
var a:array[1..100]of integer;
i,n,t1:integer;
f1,f2:text;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do readln(f1,a[i]);
t1:=0;
for i:=1 to n do if a[i] mod 2<>0 then t1:=t1+a[i];
writeln(t1);
writeln(f2,t1);
for i:=1 to n do
if a[i] mod 2<>0 then write(a[i]:4);
close(f1);
close(f2);
readln;
end.
const fi='input.txt';
fo='chiahet.txt';
var f1,f2:text;
a:array[1..100]of integer;
i,n,dem:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
inc(n);
read(f1,a[n]);
end;
dem:=0;
for i:=1 to n do
if a[i] mod 3=0 then inc(dem);
writeln(f2,dem);
close(f1);
close(f2);
end.
const fi='hcn.inp';
fo='hcn.out';
var f1,f2:text;
a,b:array[1..100]of integer;
i,j,n:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
writeln(f2,2*(a[i]+b[i]),' ',a[i]*b[i]);
close(f1);
close(f2);
end.
const fi='hcn.inp';
fo='hcn.out';
var f1,f2:text;
a,b:array[1..100]of integer;
i,j,n:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
writeln(f2,2*(a[i]+b[i]),' ',a[i]*b[i]);
close(f1);
close(f2);
end.
const fi='bt1.inp';
fo='bt1.out';
var f1,f2:text;
a,b:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
writeln(f2,'Chu vi la: ',(a+b)*2);
writeln(f2,'Dien tich la: ',a*b);
close(f1);
close(f2);
end.
uses crt;
const fi='data.txt';
var f1:text;
a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
if a[i] mod 2=0 then write(a[i]:4);
close(f1);
readln;
end.