arr=[1,8,3,4,2]
length=len(arr)

for i in range(length):
    for j in range(length):
        if arr[j+1]>arr[j]:
            temp=arr[j]
            arr[j]=arr[j+1]
            arr[j+1]=temp

for i in range(length):
    print("%d" %arr[i], end='')