#/*XXXXX
              b='XXXXXX*         *XXXXXXXXX*/include       /*X*/<png.h>
            /*XXXXXXXXXXX*   *XXXXXXXXXXXXXXXX*/#include  /*XXX*/<math.h>
          /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/#include<stdio.h>
         /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/#include<stdlib.h>
         /*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX*/#include<string.h>
         /*XXXXXXXXXXXXXXXXX'.gsub(/\*[^*]*[*]/,'');i=%!*/#include<time.h>
          typedef int _;_ B,e,A,T,R,I,C,E, *z[3];typedef double f;_/*!;b=
           b+'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX';x||=[];x+=[b];s=x.
            size;i=%!*/g(char**v){return(E<0)?0:printf(E?E-1?"Error\40"
           "writing\40%s\n":"Error\40reading\40%s\n":"%s\x20<input.png>"
           "\x20<output1.png>\40<output2.png>\n",v[E]);}png_bytep/**/o[2
          ];png_image/**/i;_/**/s=PNG_IMAGE_VERSION;void V(char/*XX*/*v){
          i.version=s;if(png_image_begin_read_from_file(  &i,v)){E=i.width
         ;I=i .height;/*XX  X*/i.format=PNG_FORMAT_RGBA;   while(e<3){if (e
        <2)  {B=E*I*4;o[e]  =(png_bytep)malloc(B);}z[e++    ]=(_*)calloc   (E
       +03   ,sizeof(_));   }A=*o&&png_image_finish_read    (&/*XXXXXXXXX    X
       */   i,NULL,o[0],0    ,NULL) &&o[1]&&*z&&z[1]&&z     [2];}}f/**/r(f    v
      )    {return(f)rand                                    ()/RAND_MAX*v;     }
    f      a,m[3],n[3],k[    3],l[3               ],p[3]     ,q[3];_/**/main     (
   _      (u),char(**v))    {if(u ==             4){V( v[+   1]);if(A){srand     (
   1+    time(NULL));for   ( memcpy               (o[1],* o  ,B);T<3;k[T++]=r     (
  44     /7.)){m[T]=cos(  a  =r(44./              (f)7))* (  l[T]=(r(40.0)+6.0    )/
 (E<    I?E:I));n[T]=sin     (a)  *               l[  T]     ;p[T]=r(E);q[T]=r(   I);
}for    (R=B=0;R<I;R+=1)                                     {for(T=0;T<E;T++,B  ++)
{for   (a =e=03;e--;){a+=                                   sin(sizeof('c')>1?T*m [e
]+R*n  [e ]+k[e]:hypot/* X                                 */(T-p[e],R-q[e])* l   [
 e     ]  );}a/=6;A=a*255+z                               [C=R%3][T+1]/8;memset
       (   o[A>127]+(B*4),0,           4     )            ;z[C][T+1]=0;z [C] [
       T   +2]+=A-=A>127?255:           0;z[C           ++][T+3]+=A;z[C %=3
        ]   [ T]+=A;z[C][T+1]+=                       A;z[C++][T+2]+=A  ;z
             [ C%3][T+1]+=A;}}for(e               =E=0;E<1&&e<2;e++)E  =
                 png_image_write_to_file      (&i,v[e+2],0,o[e],0/*
                   */ ,NULL)?-1:e+2     ;}else   {E=+1;}}return
                        /*XX!; puts             s== 1? x.sort*
                         ( "")  :""             ;i =   %{XXX
                            XX  XX                     X XXX
                            X*/                          g(v
                            )                             ;}