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import java.util.*;
import java.lang.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
    int[] lastDayOfTheMonth = new int[] {
        0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
    };
    int month = 1;
    int day = 1;
    while (true) {
        System.out.println(month + " / " + day);
        day++;
        if (day == lastDayOfTheMonth[month]+1) {
            day = 1;
            month++;
            if (month == 13) break;
        }
    }
	}
}
Success #stdin #stdout 0.09s 380480KB
stdin
Standard input is empty
stdout
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