#include<stdio.h>int main(){ int y=0,m=0,d=0; scanf("%d%d%d",&y,&m,&d); if(1990 <= y <= 2015 && 1 <= m <= 12 && 1 <= d <= 30){ printf("year=%d\n",y); printf("month=%d\n",m); printf("date=%d\n&quo...