#!/usr/bin/env python

input1 = raw_input("First line of input: ")
input2 = raw_input("Second line of input: ")
input3 = raw_input("Just press Enter here, please: ")
input4 = raw_input("Fourth line of input: ")
print ""
print "{0}, {1}, {2}, {3}".format(input1, input2, input3, input4)

