#include <stdio.h> int main() { int y,m,d; int y1,m1,d1; while (scanf("%d %d %d\n%d %d %d", &y,&m,&d,&y1,&m1,&d1) != EOF) { if(y > y1) { printf("no\n"); } else if(y < y1) { printf("yes\n"); } else { if(m > m1) { printf("no\n&q...