help this code in hspice using 10T full adder using subckt calling im not getting o/p

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*10T FULL ADDER CMOS using functin calling
.protect
.include " C:\synopsys\model files\45micron.txt"
.unprotect
 
 
.param tclk = 10n
.param tc = 10n
.param supply = 0.9v
 
va a gnd pulse (0v 0.9v 0.1n 0.1n 0.1n 6n 12n )
 
vb b gnd pulse (0v 0.9v 0.1n 0.1n 0.1n 5n 10n )
 
vcin cin gnd pulse (0v 0.9v 0.1n 0.1n 0.1n 2n 4n )
 
vdd vdd gnd dc 0.9v
 
.subckt xnor vdd gnd a b w2
 
mp1 w1 a vdd vdd pmos  w=0.360u   l=0.045u
mp2 w2 b w1  vdd pmos  w=0.360u   l=0.045u
mn1 w2 a b gnd nmos  w=0.180u  l=0.045u
mn2 w2 b a gnd nmos  w=0.180u  l=0.045u
.ends
 
.subckt inv vdd gnd w2 w3
 
mp3 w3 w2 vdd vdd pmos w=0.360u  l=0.045u
mn3 w3 w2 gnd gnd nmos  w=0.180u  l=0.045u
.ends
 
.subckt gate vdd gnd cin w3 w2 sum
mp4 sum cin w3 vdd pmos  w=0.360u  l=0.045u
mn4 w2 cin sum  gnd nmos  w=0.180u  l=0.045u
.ends
 
.subckt gate1 vdd gnd w3 cin b cout
mp5 cout  w3 b vdd pmos  w=0.360u  l=0.045u
mn5 cin  w3 cout gnd nmos  w=0.180u  l=0.045u
.ends
 
.subckt fulladder vdd gnd a b cin sum cout
Xxnor vdd gnd a b w2
Xinv vdd gnd w2 w3
Xgate vdd gnd cin w3 w2 sum
Xgate1 vdd gnd w3 cin b cout
.ends
 
.op
 
.tran  1ns 100ns
 
.MEASURE POWER avg power from= 10N  TO 40N
 
.MEASURE DELAY1 TRIG V(a) VAL= 0.45v RISE=1 TARG V(cout) VAL= 0.45v FALL=1
 
 
 
.plot v(a) v(b)  v(cin) v(sum)  v(cout)
.end