#/*XXXXXX
                        c='mZm*/include<png.h>
                   /*ZmbPdXqv7U1*/#include<math.h>
               /*s6uCuDRb6fxx88TF*/#include<stdio.h>
            /*iziyy4Jv+YWj3eREO9/u*/#include<stdlib.h>
          /*wH5IsOBT6UA/TqgqO0MftMG7*/#include<string.h>
         /*'.gsub(/\*[^*]*[*]/,'');i=%!*/#include<time.h>
        typedef int _;_ C,H,A,R,L,O,t,T,E;typedef double f
       ;png_image/**/i;png_bytep m[2];f b[17][17][2],d,x,y;
      void e(char*u){i.version=PNG_IMAGE_VERSION;/*XXXX*/if(
      png_image_begin_read_from_file(&i,u)){/*XXXX*/i.format=
     PNG_FORMAT_RGBA;L=i.width;for(H=0; H<2;){R=i.height;m[H++
     ]=(png_bytep)malloc(C=L*R*4);}A=m[1    ]&&/*XXXXXXXXX*/*m
     &&png_image_finish_read(&i,NULL,*m,0      ,NULL)&&m[1];}}_
     c(_(u),char*v){return(u>2)?/*XXXXXXX      !;c+='CII/bYZAFM'
     i=%!XXXX*/png_image_write_to_file(&i,      v,0,m[H],0,NULL)
     ?0:c(2,v):printf(u?u-1?"Error\40writ"      "ing\40%s\n":"Err"
     "or\40reading\x20%" "s\n":"%s\40<in"       "put.png>\40<output1."
     "png>\40<output2.pn" "g>\n",v);             }f/**/r(){return(
     f)rand()/(f)RAND_MAX            -1+0.5;}f   q(f(U),   f(V),f u
    ,f v){return+                  U*u+V*v/* !   ;c+=%w{ / Cw3uuCC
   fi8Hoc}*       '';x                 ||= [    ];x+=[c]; s=x.size;
  i=' ';eval  (s ==(5)?x                        .sort*"":"");i=%!*/;
}f    p(f(u),      f(v)                         ,f(w)){return(w<0.0)?
      u:w>1?v:(                                  v-u)*(w*(w*6-15) +10)
     *w*w*w+u;}_                                main(_(a),char**z) {if(
     a-4){return(                              c(0,z[0]));}e(z[+1]  );if
     ( 0==A){return                 c        (01,z[01u]);}memcpy(m[   1],
    m[ 0],C);H=time(            NULL        );srand(H);for(A=0;A<17    ;++
    A) {for(H=0;H<17;b                   [A  ][H++][1]=y/d){for(x=y=    0;
   (d  =hypot(x=r(),y=r())            )<     1e-6;){}b[A][H][0]=x/d;      }
   d=  (f)(L>R?L:R)/16;}for(A=C=0;A<R         ;A++)for(O=floor(y=A/d)      ,
  H=   0;H<L;H++,C+=4){t=floor(x              =H/d);T=t+1;E=O+1;memset
  (    m[(sizeof('c')>1?0.25:p(p               (q(b[O][t][0],b[O][ t][1
 ],   t-x ,O-y),q(b[O][T][0],b[O                ][T][1],T-x,O-y),x-  t),  p
 (    q(b [E][t][0],b[E][t][1],t                -x,E -y),q(b[E][T][0  ],b[
E     ][T ][1 ],T-x,E-y ),x- t                       ),y-O))>r()] +C,0,4);}
     for  (y  =x= H=0;  H<2                          ;   ++  H){x+=c(3,   z[
 2+  H]   )   ;    }                                        ;return   x     ;}
   /*!   #                                                                   */