HDU 2081 手机短号

#include <iostream>#include <cstdio>#include <cstring>using namespace std;int main(){    int i,j;    char a[105];    int num;    scanf("%d\n",&num);    while(num--)    {        gets(a);        printf("6");        for(i=6;i<=10;i++)        {            printf("%c",a[i]);        }        printf("\n");    }    return 0;}