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#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
freopen("sn.inp","r",stdin);
freopen("cn.out","w",stdout);
cin>>a>>b;
cout<<a*b;
return 0;
}
const fi='input.inp';
fo='output.out';
var a,b:integer;
f1,f2:text;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
if a<b then writeln(f2,a)
else writeln(f2,b);
close(f1);
close(f2);
end.
uses crt;
const fi='so.inp';
var f1:text;
a,b:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
while not eof(f1) do
begin
readln(f1,a,b);
writeln((a+b)/2:4:2);
end;
close(f1);
readln;
end.
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.
uses crt;
const fi='bt.txt';
fo='soam.txt';
var f1,f2:text;
a:array[1..100]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
begin
if a[i]>0 then writeln('Can bac hai cua ',a[i],' la: ',sqrt(a[i]):4:2)
else if a[i]<0 then write(f2,a[i]:4);
end;
close(f1);
close(f2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long m,n,t,i;
int main()
{
freopen("dulieu.inp","r",stdin);
freopen("ketqua.out","w",stdout);
cin>>m>>n;
t=0;
for (i=m; i<=n; i++)
if (i%2!=0) t+=i;
cout<<t;
return 0;
}
Program HOC24;
var f1,f2: text;
a,b: integer;
t: longint;
begin
assign(f1,'input.pas');
reset(f1);
assign(f2,'output.pas');
rewrite(f2);
readln(f1,a,b);
t:=a*b;
write(f2,t);
close(f1);
close(f2);
End.