lis1=list(input())
lis2=[]
for i in range(4):
    a=(int(lis1[i])+3)%9
    lis2.append(a)
tmp1=lis2[0]
tmp2=lis2[1]
lis2[0]=lis2[2]
lis2[1]=lis2[3]
lis2[2]=tmp1
lis2[3]=tmp2
lis3=[str(i) for i in lis2]
print(''.join(lis3))