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package main |
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import ( |
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"fmt" |
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"os" |
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) |
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func solve(s string) bool { |
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x := 0 |
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y := 0 |
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for _, r := range s { |
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switch r { |
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case 'L': |
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x-- |
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case 'R': |
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x++ |
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case 'U': |
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y++ |
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case 'D': |
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y-- |
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} |
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} |
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return x == 0 && y == 0 |
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} |
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func main() { |
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if len(os.Args) == 2 { |
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fmt.Println(solve(os.Args[1])) |
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} |
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}
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