a=input()
b=input()
c=input()
d=input()
import array
seq = [a,b,c,d]
print(seq[0]," ",seq[1]," ", seq[2]," ", seq[3])
YT1pbnB1dCgpCmI9aW5wdXQoKQpjPWlucHV0KCkKZD1pbnB1dCgpCmltcG9ydCBhcnJheQpzZXEgPSBbYSxiLGMsZF0KcHJpbnQoc2VxWzBdLCIgIixzZXFbMV0sIiAiLCBzZXFbMl0sIiAiLCBzZXFbM10p