Words and numbers

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### P1 ###
# replace this comment with your solution

### P2 ###
# replace this comment with your solution

### P3 ###
# replace this comment with your solution

### P4 ###
# replace this comment with your solution


### w1 ###
# replace this comment with your solution

### w2 ###
# replace this comment with your solution

### w3 ###
# replace this comment with your solution

### w4 ###
# replace this comment with your solution

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