123 + 1 << 32
with
123 + (1 << 32)

##</code><code>##

456 + 1 << 32
with
456 + (1 << 32)

##</code><code>##

D:\>perl -le "print 'ok' if 123 + 1 << 32 == 124 << 32 && 456 + 1 << 32 == 457 << 32;"
ok