char a[];main(b,l){for(;~scanf("%s%n%d ",a,&l,&b);printf(b<l?"%.*s%s%s\n":"%3$#1.*f%s\n",abs(l-b),a,"."+!b,a+l-b))for(;48/a[l-1]*b;)a[--l]=!b--;}