MagicHaze ----------------

#include <bits/stdc++.h>
using namespace std;
int f[100005]= {0};
char s[100005]={0};
int p=0,in,line,c,i;
inline int read() {
    register bool b=0;
    register char ch=s[p++];
    register int x=0;
    while((ch<'0' || ch>'9') && ch!='-') ch=s[p++];
    (ch=='-') && (b=1,ch=s[p++]);
    while(ch>='0' && ch<='9') x=(x<<3)+(x<<1)+ch-'0',ch=s[p++];
    return b?-x:x;
}
int main() {
    cin>>line;
    getchar();
    while(line--) {
        gets(s);
        while(p<strlen(s)) {
            in=read();
            if((++f[in])==2) c=in;
        }
        p=0;
    }
    while(f[i]==0)i++;
    while(f[i]) i++;
    cout<<i<<" "<<c;
    return 0;
}