var line=readline() let arr = line.split(''); //6uym66c0l609vb6mg75q90zyf9d4styi257709 let obj = {}; let res = [...new Set(arr)];//[6,u,y,m,c,0,l,9,v,b,g,7,5,q,z,f,d,4,s,t,i,2] //console.log(res) for(let i=0;i<res.length;i++){ &nbs...