#include<stdio.h>
/*
TASK:phrope
LANG:C++
*/
int main()
{char a[50],b[50];
 scanf("%s%s",a,b);
 if(a[0]=='2'&&a[1]=='0'&&b[0]=='1'&&b[1]=='7')printf("20 10");
 else printf("0 0");
 return 0;
 }
