if name == 'main':

def Action(x,y,z,n):
    result = []
    output = []
    for i in range(x+1):
        for j in range(y+1):
            for k in range(z+1):
                if i+j+k != n:    
                    result = [i,j,k]
                    output.append(result)
    return output

x = int(input())
y = int(input())
z = int(input())
n = int(input())

print(Action(x,y,z,n))

if name == 'main': x = int(input()) y = int(input()) z = int(input()) n = int(input()) l = [[i,j,k]for i in range(x+1) for j in range(y+1) for k in range(z+1) if i+j+k != n] print(l)

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if name == 'main': x = int(input()) y = int(input()) z = int(input()) n = int(input())

result = [
    [i, j, k]
    for i in range(x + 1)
    for j in range(y + 1)
    for k in range(z + 1)
    if i + j + k != n
]

print(result)

for i1 in range(x+1): for i2 in range(y+1): for i3 in range(z+1):
if i1+i2+i3!=n: list.append([i1,i2,i3]) list=[ i for i in list if sum(i)!=n]

                print(list) 

what is the mistake in here?