23 lines
247 B
Go
23 lines
247 B
Go
package main
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import "fmt"
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func prime(p int) bool {
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for i := 2; i*i <= p; i++ {
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if p % i == 0 {
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return false
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}
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}
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return true
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}
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func main(){
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var n int
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fmt.Scan(&n)
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if prime(n) {
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fmt.Println("Y")
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} else {
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fmt.Println("N")
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}
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} |