#include<bits/stdc++.h>
using namespace std;
int main(){
int a,b,c,d,e;
cin>>a>>b;
char arr[a+1],arr2[b+1];
fflush(stdin);
int yt,ty;
for(yt=0;yt<a;yt++)
{
scanf("%c",&arr[yt]);
}
fflush(stdin);
for(ty=0;ty<b;ty++)
{
scanf("%c",&arr2[ty]);
}
printf("%s %s",arr,arr2);}
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