o=open("DATA5.txt")
r= o.readlines()
o.close()

for i in range(len(r)):
    r[i]=r[i][0:r[i].find("\r\n")]
    
t = int(r[0])
w=[]
for i in range(len(r)):
    if len(r[i])== 1:
        print r[i]
        w.append(str(int(r[i])-1)+"\r\n")
        t= int(r[i])

o=open("OUT5.txt",'w')
o.writelines(w)
o.close()