a=t=>(f=a=>sin(t%541/8e3*a),p=a=>{q=0;a.forEach(b=>q+=f(b)/a.length);return q},DTMF=[[312,2497],[520,1995],[681,1659],[558,1201],[335,865]],p(DTMF[(t>>13&-t>>12)%DTMF.length])*128%256*(1-t%541/541)/250+(tanh(3*sinf(t/4/1.05))/2)%256*((1-cosf(t%16384/32)))%256*(t%16384/16384)*1.2+(tanh(8*sinf(sqrt(2e3*(t&16383)))))%256*(1-t%8192/8192)*[1,0,0,0][[t>>12]%4]+(sinf(random()*20)%256*(1-t%8192/8192))*[0,0,1,0][[t>>12]%4]+sinf(random()*64)%256*(1-t%8192/8192)*[0,0,0,0,1,0,0,0][[t>>12]%8]), [a(t),a(t)*1.2]