import time
import sys
t1=time.clock()

f1=open("in20_10.txt")
f2=file("out_20_20_10.txt",'w')
l=f1.readlines()
m=l[0]
i=0
j=1
#for j in range(1,int(m)+1):
tc=[int(g) for g in l[j].split(' ')]
for i in range(0,10):
    if (tc[i]==0)and i!=0:
        print>> f2, i
j=j+1        
tc=[int(g) for g in l[j].split(' ')]
for i in range(0,10):
    if(tc[i]<2 and tc[i]!=1):
        num='1'+str(i)
        print>> f2, num
j=j+1
tc=[int(g) for g in l[j].split(' ')]
for i in range(0,10):
    if(tc[i]<2):
        num1=str(i)+str(i)
        print >> f2, num1
        break
#break    
    
t2=time.clock()
f2.write("\n Time taken : "+" "+str(t2-t1))
f2.close()