#include main(){ int num; printf("Input number:\n");scanf("%d",&num); if(num>0) printf("This is zheng shu\t"); if(num<0) printf("This is fu shu\t"); if(num%2==0)
printf("This is an even number\n");/*偶数*/ if(num%2!=0) printf("This is an odd number\n");
/*奇数*/
else printf("Input error");}
