为何我第三个点老是过不去啊啊啊啊

#include<iostream>
#include<algorithm>
#include<cstring>
#include<cmath>
#include<cstdio>
using namespace std;
int in[10],tim;
int panduan(string a){
    int k=a.size();
    for(int i=0;i<k;i++)
    a[i]=tolower(a[i]);
    if(a=="one"||a=="a"||a=="first"||a=="another")return 1;
    if(a=="two"||a=="both"||a=="second")return 2;
    if(a=="three"||a=="third") return 3;
    if(a=="four")return 4;
    if(a=="five")return 5;
    if(a=="six")return 6;
    if(a=="seven")return 7;
    if(a=="eight")return 8;
    if(a=="nine")return 9;
    if(a=="ten")return 10;
    if(a=="eleven")return 11;
    if(a=="twelve")return 12;
    if(a=="thirteen")return 13;
    if(a=="fourteen")return 14;
    if(a=="fifteen")return 15;
    if(a=="sixteen")return 16;
    if(a=="seventeen")return 17;
    if(a=="eighteen")return 18;
    if(a=="nineteen")return 19;
    if(a=="twenty")return 20;
    return 0;
}
int main(){
    freopen("123.in","r",stdin);
    for(int i=0;i<6;i++){
        string a;
        cin>>a;
        in[tim]=panduan(a);
        if(in[tim])
        tim++;
    }
    for(int i=0;i<tim;i++){
        in[i]=in[i]*in[i];
        in[i]%=100;
    }
    sort(in,in+tim);
    cout<<tim;
    for(int i=0;i<tim;i++){
        if(in[i]==0)
        continue;
        if(i>0&&in[i]<10)
        cout<<0;
        cout<<in[i];
    }
    return 0;
}