#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");
}