#bad
print 2**59, "\n";    #5.76460752303423e+017
print 2**59+1, "\n";  #5.76460752303423e+017

##</code><code>##

#good
use bigint;

print 2**59, "\n";   #576460752303423488
print 2**59+1, "\n"; #576460752303423489