n=3
m=1000
a_1=range(n,m+1)
k=[0]*1000 ####이 숫자가 짝수면 틀리고 홀수면 맞음.
k_1=[]
for i in a_1:
    if i == 1:
        continue
    if i == 2:
        print(i)
    elif i%2 !=0:
        for j in range(2,int(pow(i,1/2)+2)):
            if j ==int(pow(i,1/2)+1) and i%j!=0 :
                k[i]=1
                k_1.append(i)                
            elif i%j!=0:
                 continue
            elif i%j==0:
                 break
 
 
while True:
    n_1=int(input())
    for i_1 in k_1:
        if k[n_1-i_1]==1:
            print('%d = %d + %d' %(n_1,i_1,n_1-i_1))
            break

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OAoyMAo0Mgow

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