#include <iostream> using namespace std; int daytab[2][13] = { { 0,31,28,31,30,31,30,31,31,30,31,30,31 }, { 0,31,29,31,30,31,30,31,31,30,31,30,31 } }; bool isLeapYear(int x){ return (x % 4 ==0 && x % 100 != 0) || (x % 400 == 0); } int main(){ int n,y,m,d; cin >> n; w...