uses crt;
var m,n,i,s,d: integer;
begin
clrscr;
s:=0;
d:=0;
write('Nhap m: ');  readln(m);
write('Nhap n: ');  readln(n);
if m<n then 
for i:=m to n do
begin
if i mod 3 = 0 then s:=s+i;
if i mod 3 = 0 or i mod 5 = 0 then d:=d+1;
end
else write('Gia tri m>=n, vui long nhap lai.');
writeln('So luong cac so chia het cho 3 hoac 5 la: ',d);
writeln('Tong cac so chia het cho 3 la: ', s);
readln;
end.

#include<iostream>
using namespace std;
void function(int M, int N){
int max = M;
int min = N;
if(M<N){
max = N;
min = M;
}
int dem=0,tong=0;
for(int i=min;i<=max;i++){
if(i%3==0||i%5==0){
dem++;
}
if(i%3==0){
tong+=i;
}
}
cout<<dem<<"\n"<<tong;
}
int main(){
int M,N;
cin>>M>>N;
function(M,N);
}