Is it bad I can only shoulder press 40 kilograms with 4 reps?

Is it bad I can only shoulder press 40 kilograms with 4 reps. 2 of 20 kilograms dumbbells. Total weights of them are 40 kilograms. Is it very bad? My body's weight is 68 kilograms.
Is it bad I can only shoulder press 40 kilograms with 4 reps?
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