difference is there
first program layout
Code:
asadulla ~/test> g++ temp6.cpp
execution gcc-3.3.1/g++ (gprs/pcusa_passport_sas)
asadulla ~/test> ./a.out
Please input 2 integers
12 34

The two integers are:
12.000000 34.000000
second program senario is

Code:
asadulla ~/test> g++ temp6.cpp
execution gcc-3.3.1/g++ (gprs/pcusa_passport_sas)
asadulla ~/test> ./a.out
 Please input 2 integers
12 34

The two integers are:
 12.000000 34.000000