/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// your code goes here
Scanner sc
= new Scanner
(System.
in); int n
= Integer.
parseInt(sc.
nextLine()); int m = (n % 2);
int k = n/2;
int d = (k-1)*15+m*15;
int x = 45*n+d+k*5;
int a = x%60;
int b = 9 + x/60;
}
}
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