str = raw_input("input the str:")
print str
'''input 1+1,output 1+1;'''
num = input("input the num:")
print num
'''input 1+1,output 2;'''
'''input float,hex,oct'''
fnum = float(raw_input('input float:'))
hnum = int(raw_input('input hex value(like 0x20):\n'),16)
onum = int(raw_input('input oct value(like 020):\n'),8)