Расскажите об объемах и еденицах измерения информации ​

Var        
R1, R2, R3, S1, S2, S3: Integer;        
begin             
writeln('Введите размеры рации и чемодана');             
readln(R1, R2, R3, S1, S2, S3);             
 if ((R1 < S1) and (R2 < S2) and (R3 < S3)) or             
((R3 < S3) and (R2 < S1) and (R1 < S2)) or             
((R1 < S1) and (R2 < S3) and (R3 < S3)) or             
((R2 < S2) and (R1 < S3) and (R3 < S1)) or             
 ((R2 < S1) and (R3 < S2) and (R1 < S3)) or             
((R1 < S2) and (R3 < S1) and (R2 < S3)) then
WriteLn('ПОМЕЩАЕТСЯ')  
 else
WriteLn('НЕ ПОМЕЩАЕТСЯ');
end.

#include <iostream>

typedef long long   ll;

using namespace std;

bool ll_is_valid(ll t, ll N, ll x, ll y)

{

return  t / x + (t - x) / y >= N;

}

ll f(ll N, ll x, ll y)

{

   ll R = 1;

   while (!ll_is_valid(R,N,x,y)) R *= 2;

ll L = R / 2;

while(R - L > 1)

{

 ll M   =   (L + R) / 2;

 

 if (!ll_is_valid(M,N,x,y)) {L = M;}

 else {R = M;}

}

return  R;

}

int  main()

{

ll N,x,y;

cin >> N >> x >> y;

if(x > y) swap( x, y );  

cout << f(N, x, y) <<  std::endl;

}