223.小明的煩惱

#include<stdio.h>
#include<string.h>
int main()
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
        char str[12];
        int i,len;
        scanf("%s",str);
        len=strlen(str);
        for(i=0; i<len; i++)
        {
            if(str[i]>='a'&&str[i]<='c')
               printf("2");
            else if(str[i]>='d'&&str[i]<='f')
                printf("3");
            else if(str[i]>='g'&&str[i]<='i')
                 printf("4");
            else if(str[i]>='j'&&str[i]<='l')
                 printf("5");
            else if(str[i]>='m'&&str[i]<='o')
               printf("6");
            else if(str[i]>='p'&&str[i]<='s')
                printf("7");
            else if(str[i]>='t'&&str[i]<='v')
                printf("8");
            else if(str[i]>='w'&&str[i]<='z')
               printf("9");
        }
        printf("\n");
    }
    return 0;
}