a=int(input())
b=4
while b<=a:
    i=2
    while i<b:
        for j in range (2,i):
            if i%j==0:
                break
        else:
            for j in range (2,b-i):
                if (b-i)%j==0:
                    break
            else:
                print(str(b)+"="+str(i)+"+"+str(b-i))  
                break
        i+=1
    b+=2