#include <stdio.h> int main() { int y = 0, m = 0, d = 0, y1 = 0, m1 = 0, d1 = 0; scanf("%d%d%d%d%d%d", &y, &m, &d, &y1, &m1, &d1); if (y1 > y) printf("yes"); else if (y1 == y) { if (m1 > m) printf("yes"); else if (m...