//Author:Leftist_G / Shunpower
//Cloud Island & Rain Temperature
//May the force be with you and me.
#include <bits/stdc++.h>
#define ET return 0
#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
#define ll long long
#define ull unsigned long long
#define inf INT_MAX
#define uinf INT_MIN
#define pii pair<int,int>
#define pll pair<ll,ll>
#define debug puts("--------Chery AK IOI--------");
#define Yes cout<<"Yes"<<endl;
#define No cout<<"No"<<endl;
#define pt puts("")
#define fr1(i,a,b) for(int i=a;i<=b;i++)
#define fr2(i,a,b) for(int i=a;i>=b;i--)
#define fv(i,p) for(int i=0;i<p.size();i++)
#define ld long double
#define il inline
#define ptc putchar
using namespace std;
const int N=1e5+10;
namespace Shun{
    int lowbit(int x){
        return x&-x;
    }
    template <typename T>
    inline void read(T &x){
       T s=0,w=1;
       char ch=getchar();
       while(ch<'0'||ch>'9'){
            if(ch=='-'){
                w=-1;
            }
            ch=getchar();
        }
       while(ch>='0'&&ch<='9'){
            s=s*10+ch-'0';
            ch=getchar();
       }
       x=s*w;
    }
    template <typename T>
    inline void write(T x){
        if(x<0){
            putchar('-');
            x=-x;
        }
        if(x>9){
            write(x/10);
        }
        putchar(x%10+'0');
    }
}
using namespace Shun;
string who;
string s;
int w[1010];
mt19937 rnd(20070720);
int a[101],b[101];
int main(){
#ifdef Shun
    freopen(".in","r",stdin);
    freopen(".out","w",stdout);
#endif
    ios::sync_with_stdio(false);
    cin>>who;
    fr1(i,1,1000) w[i]=rnd()&((1<<30)-1);
    if(who[0]!='C'){
        string ans=0;
        fr1(_,1,100){
            cin>>s;
            s='@'+s;
            int hsh=0;
            fr1(i,1,1000) if(s[i]=='1') hsh^=w[i];
            fr1(i,0,29) ans+=((hsh>>i)&1)+'0';
        }
        cout<<ans<<endl;
    }
    else{
        cin>>s;
        s='@'+s;
        fr1(i,1,3000){
            int hsh=0;
            fr1(j,i,i+29){
                if(s[j]=='1') hsh+=(1<<j-i);
            }
            a[i/30+1]=hsh;
            i+=29;
        }
        cin>>s;
        s='@'+s;
        fr1(i,1,3000){
            int hsh=0;
            fr1(j,i,i+29){
                if(s[j]=='1') hsh+=(1<<j-i);
            }
            b[i/30+1]=hsh;
            i+=29;
        }
        fr1(i,1,100){
            cin>>s;
            s='@'+s;
            int hsh=0;
            fr1(i,1,1000) if(s[i]=='1') hsh^=w[i];
            fr1(j,1,100){
                fr1(k,1,100){
                    if((a[j]^b[k])==hsh){
                        cout<<j<<" "<<k<<endl;
                        goto label;
                    }
                }
            }
            label:
            continue;
        }
    }
    ET;
}
//ALL FOR Zhang Junhao.