B. Are You Smiling?
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output

Show us a smile! 😁

Output

For a properly chosen $$$\mathrm{?}$$$, the following equation holds: $$$\mathrm{U} + \mathrm{?} = \mathrm{HAPPY}$$$.

Output $$$\mathrm{?}$$$, a string consisting of uppercase letters and numbers.

Example
Input
show us your smile!
Output