#include <stdio.h> int main() { int m[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; int year, month, day; while (scanf("%d %d %d", &year, &month, &day) != EOF) { int dayofyear = day; for(int i = 0; i < month - 1; i++) { ...