r;f(y,x,m){x=abs(x+~m);r=y>m?-f(x,y,m):x&m?f(y,x,m/2):y&y==m;}j;main(i,a){for(a%=65u;a/i;)i+=20/putchar(++j&a?"ду"[f(i-j%2,j&a,a/2)|j&!f(i+1)]+124:10);}