write a program which asks the user for a digit INTEGER and outputs show in 5 digit . example user enter :89 and output should be 00089

Write a program which asks user for digit and output as 5 digit number (prefix as 0). example : 89 o/p should be 00089

Hi, I want to get output as 0x23400000345.... in the below example How to get? i tried out, but unable to get the answer $r=0x234; $t=0x345; $y=pack(L L,$t,$r); $x1=unpack(L!,pack(P,$y)); printf(" The value is $x1"); I didnt get constant output?