Skip to content

977A

DevGod
DevGod
Elf Vtuber
const input = require('fs').readFileSync(0,'utf8').trim().split(" ");
let A = Number(input[0]);
let B = Number(input[1]);
while(B>0){
if(A%10 === 0){ A = Math.floor(A/10); }
else{ A--; }
B--;
}
console.log(A);