#include <cstdio>
#include <iostream>
 
using namespace std;
 
#define var int
#define begin {
#define end ;}
#define readln [](var&a, var&b, var&c, var&d){cin>>a>>b>>c>>d;}
#define if if(
#define mod )%
#define then 
#define else ;else
#define writeln puts
 
var main()
begin
  var k, l, m, n;
  begin
    readln(k,l,m,n);
    if (k+l+m+n mod 2 == 0) then
      writeln("поля одного цвета")
    else
      writeln("поля разных цветов")
  end
end

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