程序代码：

#include<stdio.h>
#include<string.h>
int main(void)
{
    char n[20];
    int i;
    char c[10][6]={"zero","one","two","three","foue","five","six","seven","eight","nine"};
    gets(n);
    for(i=0;i<strlen(n);i++)
    {
        if(n[i]>='0'&&n[i]<='9')
            printf("  %s",c[n[i]-48]);
        else    printf("  %c",n[i]);
    }
    return 0;
    getch();
}