#include <stdio.h> int day(int x){ int arr[12]={31,28,31,30,31,30,31,31,30,31,30,31}; return arr[x-1]; } int main() { int y,m; while(scanf("%d %d",&y,&m)!=EOF){ if(((0==y%4&&0!=y%100)||(0==y%4&&0==y%400))&&2==m) printf("29\...