Çàäà÷à . 39494

#include <iostream>
using namespace std;
 
int main()
{
  int x, L, M;
  cin >> x;
  L = x;
  M = 428;
  if (L % 2 == 0) M = -1;
  while (L != M)
  {
    if (L > M) L = L – M;
    else M = M — L;
  }
  cout << L ;
  return 0;
}

x = int(input())
L = x
M = 428
if L % 2 == 0:
    M = -1
while L != M:
    if L > M:
        L = L – M
    else:
        M = M - L
print(L)

àëã
íà÷
  öåë x, L, M
  ââîä x
  L := x
  M := 428
  åñëè mod(L, 2) = 0
      òî
        M := -1
íö ïîêà L <> M
    åñëè L > M
      òî
        L := L – M
èíà÷å
M := M – L
    âñå
  êö
  âûâîä L
êîí

var x, L, M: integer;
begin
  readln(x);
  L := x;
  M := 428;
if (L mod 2 = 0) then
M := -1;
  while M <> L do
  begin
    if L > M then
L := L – M
else
M := M – L;
  end;
  writeln(L);
end.